Hunting Park is a neighborhood in the North Philadelphia section of Philadelphia , Pennsylvania , United States.
67-494: In 2024, the 19140 ZIP code , which roughly consists of Hunting Park and Nicetown–Tioga , has a median home sale price of $ 113,900. The Clara Barton School , Alexander K. McClure School , and Bayard Taylor School are listed on the National Register of Historic Places . In the years leading up to 2010, Hunting Park residents began a campaign against crime. Hunting Park is located north of Sedgley Avenue, east of
134-468: A postal inspector . The phrase "zone improvement plan" is credited to D. Jamison Cain , a Postal Service executive. The post office credits Moon with only the first three digits of the ZIP Code, which describe the sectional center facility (SCF) or "sec center". An SCF is a central mail processing facility with those three digits. The fourth and fifth digits, which give a more precise locale within
201-559: A cartographic practice. As ZIP Codes are not polygons, but collections of mail routes and points, they are unsuitable for publication or distribution of most data. Polygons for ZIP Codes are not released by the USPS and instead interpolated by 3rd party vendors. These interpolations introduce topological errors and are not standard between vendors. The USPS often discontinues, splits, or otherwise modifies ZIP Codes, making continuous space-time analysis challenging, leading to issues with both
268-429: A city block, a group of apartments, an individual high-volume receiver of mail, a post office box, or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery. However, the new format was not adopted universally by the public; it eventually became obsolete with modern technology. In general, mail is read by a multiline optical character reader (MLOCR) that almost instantly determines
335-489: A conflict with New Brunswick. Canada likewise chose MB for Manitoba to prevent conflict with either Massachusetts (MA), Michigan (MI), Minnesota (MN), Missouri (MO), or Montana (MT). The U.S. Coast Guard (USCG) uses a set of two-letter prefixes for vessel numbers; 39 states and the District of Columbia have the same USPS and USCG abbreviations. USCG prefixes have also been established for five outlying territories; all are
402-480: A consequence, ZIP Code "areas" can overlap, be subsets of each other, or be artificial constructs with no geographic area (such as 095 for mail to the Navy, which is not geographically fixed). In similar fashion, in areas without regular postal routes ( rural route areas) or no mail delivery (undeveloped areas), ZIP Codes are not assigned or are based on sparse delivery routes, and hence the boundary between ZIP Code areas
469-498: A full, correct ZIP+4 Code and an additional two digits representing the exact delivery point . Furthermore, mail must be sorted in a specific manner to an 11-digit code with at least 150 mailpieces for each qualifying ZIP Code and must be accompanied by documentation confirming this. These steps are usually done with PAVE-certified software that also prints the barcoded address labels and the barcoded sack or tray tags. The assignment of delivery point digits (the 10th and 11th digits)
536-530: A long city name combined with a multi-letter state abbreviation, such as "Sacramento, Calif." along with the ZIP Code. The abbreviations have remained unchanged, with the exception of Nebraska , which was changed from NB to NE in 1969 at the request of the Canadian Post Office Department , to avoid confusion with New Brunswick . Robert Moon is considered the father of the ZIP Code; he submitted his proposal in 1944 while working as
603-470: A package. As of October 2019 , there are 41,702 ZIP Codes in the United States. Due to convenience, ZIP Codes are used not only for tracking of mail, but also commonly for gathering geographical statistics in the United States by some researchers. ZIP Codes are not created for statistical analysis, thus use for statistical analysis is heavily criticized for numerous reasons and advised against as
670-564: A post office to close and its associated ZIP Code to be deallocated. For example, Centralia, Pennsylvania 's ZIP Code, 17927, was retired in 2002, and ZIP Codes for Onoville (14764), Quaker Bridge (14771) and Red House (14773) in New York were prevented from going into use in 1964 in preparation for the Kinzua Dam 's completion. Each ZIP Code has one or more "postal city" names assigned to it. Since ZIP Code boundaries are based on
737-593: A process called ZIP-code marketing. Point-of-sale cashiers sometimes ask consumers for their home ZIP Codes. Besides providing purchasing-pattern data useful in determining the location of new business establishments, retailers can use directories to correlate this ZIP Code with the name on a credit card to obtain a consumer's full address and telephone number . ZIP-Coded data are also used in analyzing geographic factors in risk, an insurance and banking industry practice pejoratively known as redlining . This can cause problems, e.g. , expensive insurance, for people living near
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#1732798273184804-641: A region (if applicable) often gets the first ZIP Codes for that region; afterward, the numerical order often follows the alphabetical order. Because ZIP Codes are intended for efficient postal delivery, there are unusual cases where a ZIP Code crosses state boundaries, such as a military facility spanning multiple states or remote areas of one state most easily serviced from a bordering state. For example, ZIP Code 42223 serves Fort Campbell , which spans Christian County, Kentucky , and Montgomery County, Tennessee , and ZIP Code 97635 includes portions of Lake County, Oregon , and Modoc County, California . In general,
871-451: A set of uppercase abbreviations to help process mail with optical character recognition and other automated equipment. There are also official USPS abbreviations for other parts of the address, such as street designators (street, avenue, road, etc.). These two-letter codes are distinguished from traditional abbreviations such as Calif., Fla., or Tex. The Associated Press Stylebook states that in contexts other than mailing addresses,
938-565: A single ZIP Code. This is because different parts of one ZIP Code can be in different districts. One proposal to eliminate the possibility of extreme partisan gerrymandering calls on using ZIP Codes as the basic units for redistricting. List of U.S. state abbreviations Several sets of codes and abbreviations are used to represent the political divisions of the United States for postal addresses, data processing, general abbreviations, and other purposes. This table includes abbreviations for three independent countries related to
1005-468: A study period. Datasets providing a similar approximate geographic extent to ZCTA are commercially available. Despite these issues, ZCTAs are still very popular with researchers in fields like epidemiology, and among government agencies, with some states employing them to publish and distribute public health data during the COVID-19 pandemic. The data is often used in direct mail marketing campaigns in
1072-571: A town with a high crime rate and sharing its ZIP Code, while they live in a relatively crime-free town. (See Elkins Park, Pennsylvania, above.) California outlawed this practice in 2011. ZIP Codes may not currently be used to identify existing legislative districts. Although the website of the United States House of Representatives has a "Find Your Representative" feature that looks up congressional districts based on ZIP Codes alone, it often returns multiple districts corresponding to
1139-400: A variety show that the post office used to explain the importance of using ZIP Codes. In 1983, the U.S. Postal Service introduced an expanded ZIP Code system that it named ZIP+4 , often known as "plus-four codes", "add-on codes", or "add-ons". A ZIP+4 Code uses the basic five-digit code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as
1206-657: Is intended to ensure that every single mailable point in the country has its own 11-digit number. The delivery-point digits are calculated based on the primary or secondary number of the address. The USPS publishes the rules for calculating the delivery point in a document called the CASS Technical Guide. ZIP Codes designate delivery points within the United States (and its territories). There are four types of ZIP Codes: Unique ZIP Codes are used for governmental agencies, universities, businesses, or buildings receiving sufficiently high volumes of mail to justify
1273-644: Is primarily made up of Puerto Ricans , Dominicans , and African Americans . Hunting Park, a 87-acre (35 ha) portion of Fairmount Park , lies in the Hunting Park neighborhood. Tara Murtha of Philadelphia Weekly said "For generations, Hunting Park served as the heart of the community. Then, about 25 years ago [before 2010], it became its noose." Joann Taylor, a member of the Hunting Park Neighborhood Advisory Committee (NAC), said, as paraphrased by Murtha, "By
1340-633: Is that assigned to the headquarters of Walmart (72716). They may also be assigned to a single program, such as the Postal Service's Operation Santa Claus program, under which children are invited to write to Santa Claus at "North Pole 88888". An example of a PO box-only ZIP Code is 22313, used for boxes at the main post office in Alexandria, Virginia , including those used by the United States Patent and Trademark Office . In
1407-438: Is therefore committing the ecological fallacy by attempting to disaggregate aggregate data. As ZIP Codes are not continuous, not everyone in the United States has one, and there are ZIP Codes for non-populated or geographic areas, resulting in there not being one ZCTA for every ZIP Code. ZCTAs are not updated as frequently as the USPS updates ZIP Codes, resulting in further temporal analysis issues when ZIP Codes change during
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#17327982731841474-522: Is undefined. For example, some residents in or near Haubstadt, Indiana , which has the ZIP Code 47639, have mailing addresses with 47648, the ZIP Code for neighboring Fort Branch, Indiana , while others living in or near Fort Branch have addresses with 47639. Many rural counties have similar logistical inconsistencies caused by the aforementioned sparse delivery routes, often known as Rural Routes or by some other similar designation. There are generally no ZIP Codes for deliveries to other countries, except for
1541-559: Is used as a building number, while the city in which the embassy or consulate is located is combined with the word "Place" to form a fictional street name. Each mission uses a ZIP+4 Code consisting of 20521 and the diplomatic pouch number. For example, the U.S. Embassy in India has this address in India's postal system: Embassy of the United States of America Shantipath, Chanakyapuri, New Delhi, National Capital Territory of Delhi, 110021 as well as this U.S. address: Embassy of
1608-736: The Bayard Taylor Elementary School (K-5) in Hunting Park. It is also served by Clemente Middle School (5-8), Edison/Fareira High School (9-12), and Olney High School (9-12). The area is served by the Broad Street Line subway at the Hunting Park station . ZIP code A ZIP Code (an acronym for Zone Improvement Plan ) is a system of postal codes used by the United States Postal Service (USPS). The term ZIP
1675-624: The East Coast , such as 02115 ( Boston ), 10001 ( New York City ), 19103 ( Philadelphia ), 21201 ( Baltimore ), 20008 ( Washington, D.C. ), 30303 ( Atlanta ), and 33130 (Miami) (these are only examples, as each of these cities contains several ZIP Codes in the same range). From there, the numbers increase heading westward and northward east of the Mississippi River , southward west of the Mississippi River, and northward on
1742-504: The Federal Information Processing Standard (FIPS) standards FIPS 5-2 , FIPS 6-4 , and FIPS 10-4 . The ANSI alphabetic state code is the same as the USPS state code except for U.S. Minor Outlying Islands, which have an ANSI code "UM" but no USPS code—and U.S. Military Mail locations, which have USPS codes ("AA", "AE", "AP") but no ANSI code. The United States Postal Service (USPS) has established
1809-618: The ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states ) of all countries coded in ISO 3166-1 . The American National Standards Institute (ANSI) established alphabetic and numeric codes for each state and outlying areas in ANSI standard INCITS 38:2009 . ANSI standard INCITS 38:2009 replaced
1876-636: The United States Government Printing Office (GPO) suggested its own set of abbreviations, with some states left unabbreviated. Today, the GPO supports United States Postal Service standard. Legal citation manuals, such as The Bluebook and The ALWD Citation Manual , typically use the "traditional abbreviations" or variants thereof. ISO 3166-2:US is the entry for the United States in ISO 3166-2 , part of
1943-1059: The West Coast . For example, 40202 is in Louisville , 50309 in Des Moines , 60601 in Chicago , 63101 in St. Louis , 77036 in Houston , 80202 in Denver , 94111 in San Francisco , 98101 in Seattle , and 99950 in Ketchikan, Alaska (the highest ZIP Code). The first digit of the ZIP Code is allocated as follows: The second and third digits represent the sectional center facility (SCF) (e.g. 477xx = Vanderburgh County, Indiana ), and
2010-677: The ZIP Code, followed by a hyphen and four digits that designated a more specific location. ZIP Code and ZIP+4 are registered trademarks of the United States Postal Service, which also registered ZIP Code as a service mark until 1997. The early history and context of postal codes began with postal district/zone numbers . The United States Post Office Department (USPOD) implemented postal zones for 178 large cities in May 1943. Postmaster General Frank Walker explained that many experienced postal clerks were going into
2077-520: The modifiable areal unit problem (MAUP) and modifiable temporal unit problem (MTUP). As the ZIP Codes are postal routing numbers, individuals and organizations without concrete spatial locations may be given their own number, making it impossible to associate demographic data with them. Demographic data is not consistent between ZIP Codes, and no effort is made to ensure they are proper enumeration units for analysis. As ZIP Codes are not made with
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2144-457: The SCF, were proposed by Henry Bentley Hahn Sr. The SCF sorts mail to all post offices with those first three digits in their ZIP Codes. The mail is sorted according to the final two digits of the ZIP Code and sent to the corresponding post offices in the early morning. Sectional centers do not deliver mail and are not open to the public, although the building may include a post office that is open to
2211-493: The United States of America 9000 New Delhi Place Washington, DC 20521-9000 Individuals posted at diplomatic missions overseas are now assigned a Diplomatic Post Office address and unique box number. The ZIP Code identifies the diplomatic mission destination and is different from the diplomatic pouch number in the example above. While delivered through the pouch system, mail to such addresses are not considered "Diplomatic Pouch" materials, and as such must adhere to
2278-507: The United States through Compacts of Free Association , and other comparable postal abbreviations, including those now obsolete. As early as October 1831, the United States Postal Service recognized common abbreviations for states and territories. However, they accepted these abbreviations only because of their popularity, preferring that patrons spell names out in full to avoid confusion. The traditional abbreviations for U.S. states and territories, widely used in mailing addresses prior to
2345-578: The ZIP Code which are combined with to use for mapping and data presentation. The process of creating ZCTAs and their use for statistical analysis are heavily criticized in the literature. First, the creation of ZCTAs from Census blocks encounters issues when a Census block straddles multiple ZIP Codes. Addressing this is another instance of the MAUP, and the solution of dividing aggregate units between ZIP Codes causes some individuals to fall into ZCTAs that do not match their ZIP Code. The creation of these units
2412-689: The ZIP Codes 01002 and 01003 for Amherst, Massachusetts ; 01002 is used for mail in town, while 01003 is reserved for the University of Massachusetts Amherst . Until 2001, there were six ZIP Codes lower than 00501 that were numbered from 00210 to 00215 (located in Portsmouth, New Hampshire ) and were used by the Diversity Immigrant Visa program to receive applications from non-U.S. citizens. The numbers increase southward along
2479-492: The ZIP+4 Code must be looked up individually for each box (e.g. using the USPS's official ZIP Code Lookup tool, and being sure to enter just city and state, not the 5-digit ZIP). The ZIP Code is often translated into an Intelligent Mail barcode that is printed on the mailpiece to make it easier for automated machines to sort. A barcode can be printed by the sender (some word-processing programs such as WordPerfect include
2546-461: The affected area can notify correspondents, order new stationery, etc. In rapidly growing communities, it is sometimes necessary to open a new sectional center facility, which must then be allocated its own three-digit ZIP-code prefix or prefixes. Such allocation can be done in various ways. For example, when a new sectional center facility was opened at Dulles Airport in Virginia, the prefix 201
2613-427: The area surrounding that post office, home and business mail delivery addresses use ZIP Code 22314, a standard ZIP Code. ZIP Codes are numbered with the first digit representing a certain group of U.S. states, the second and third digits together representing a region in that group (or perhaps a large city) and the fourth and fifth digits representing a group of delivery addresses within that region. The main town in
2680-440: The areas served by each physical post office, they often do not coincide with the boundaries of local government units. For example, suburban and unincorporated areas may share a postal city name with a neighboring municipality, even if no part of its ZIP Code is actually within that city. Delivery services other than the USPS, such as FedEx , United Parcel Service , and DHL , require a ZIP Code for optimal internal routing of
2747-537: The army, and the zone system would enable inexperienced clerks to sort mail without having to learn the delivery area of each city carrier. For example: Mr. John Smith 3256 Epiphenomenal Avenue Minneapolis 16 , Minnesota The "16" is the number of the postal zone in a specific city. By the early 1960s, a more organized system was needed, and non-mandatory five-digit ZIP Codes were introduced nationwide on July 1, 1963. The USPOD issued its Publication 59: Abbreviations for Use with ZIP Code on October 1, 1963, with
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2814-688: The assignment to them of exclusive ZIP Codes. Government examples include 20505 for the Central Intelligence Agency in Washington, D.C., and 81009 for the Federal Citizen Information Center of the U.S. General Services Administration (GSA) in Pueblo, Colorado . An example of a university-specific ZIP Code is 21252, which serves Towson University . An example of a private address unique ZIP Code
2881-459: The center-point of the ZCTAs. ZIP Codes are inherently discrete or point-based data, as they are assigned only at the point of delivery, not for the spaces in between the delivery points. The United States Census Bureau then interpolates this discrete data set to create polygons by attempting to match ZIP Code extents with Census blocks. The resulting aerial units represent the approximate extent of
2948-465: The correct ZIP+4 Code from the address—along with the even more specific delivery point —and sprays an Intelligent Mail barcode (IMb) on the face of the mail piece that corresponds to 11 digits—nine for the ZIP+4 Code and two for the delivery point. For post office boxes , the general but not invariable rule is that each box has its own ZIP+4 Code. The add-on code is often one of the following:
3015-401: The county was changed to 208xx codes, while 208xx codes outside that county were changed to 207xx codes. Because Silver Spring (whose postal area includes Wheaton ) has its own prefix, 209, there was no need to apply the reshuffling to Silver Spring; instead, all mail going to 209xx ZIP Codes was simply rerouted to the new sectional center facility. On the other hand, depopulation may cause
3082-429: The feature), but this is not recommended, as the address-to-ZIP lookup tables can be significantly out of date. Customers who send bulk mail can get a discount on postage if they have printed the barcode themselves and have presorted the mail. This requires more than just a simple font ; mailing lists must be standardized with up-to-date Coding Accuracy Support System (CASS)-certified software that adds and verifies
3149-544: The first three digits designate a sectional center facility , the mail sorting and distribution center for an area. A sectional center facility may have more than one three-digit code assigned to it. For example, the Northern Virginia sectional center facility in Merrifield is assigned codes 220, 221, 222, and 223. In some cases, a sectional center facility may serve an area in an adjacent state, usually due to
3216-407: The former SEPTA R7 railroad line, south of Roosevelt Boulevard, and west of Front Street. Bordering neighborhoods include Logan to the north, Feltonville to the east, Fairhill to the south, and Nicetown–Tioga to the southwest. As of the 2010 Census, Hunting Park was 56% Hispanic of any race, 38.1% non Hispanic black, 2.9% non Hispanic white, 1.9% Asian, and 2.1% all other. The neighborhood
3283-423: The fourth and fifth digits represent the area of the city (if in a metropolitan area ), or a village/town (outside metro areas), e.g. 47722 (4=Indiana, 77=Vanderburgh County, 22= University of Evansville area). When a sectional center facility's area crosses state lines, that facility is assigned separate three-digit prefixes for the states that it serves. In some urban areas, like 462 for Marion County, Indiana ,
3350-724: The independent countries of the Federated States of Micronesia , the Republic of the Marshall Islands , and the Republic of Palau , each of which is integrated into the U.S. postal system under a Compact of Free Association . Another exception is ZIP Codes used for overseas stations of U.S. armed forces. Mail to U.S. diplomatic missions overseas is addressed as if it were addressed to a street address in Washington, D.C. The four-digit diplomatic pouch number
3417-679: The introduction of two-letter U.S. postal abbreviations, are still commonly used for other purposes (such as legal citation ), and are still recognized (though discouraged) by the Postal Service. Modern two-letter abbreviated codes for the states and territories originated in October 1963, with the issuance of Publication 59: Abbreviations for Use with ZIP Code , three months after the Post Office introduced ZIP codes in July 1963. The purpose, rather than to standardize state abbreviations per se ,
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#17327982731843484-727: The lack of a proper location for a center in that region. For example, 739 in Oklahoma is assigned to Amarillo, Texas ; 297 in South Carolina is assigned to Charlotte, North Carolina ; 865 in Arizona is assigned to Albuquerque, New Mexico ; and 961 in California to Reno, Nevada . Many of the lowest ZIP Codes, which begin with '0', are in the New England region. In the '0' region are New Jersey (non-contiguous with
3551-409: The last four digits of the box number (e.g. PO Box 107050, Albany, NY 12201-7050), zero plus the last three digits of the box number (e.g., PO Box 17727, Eagle River, AK 99577-0727), or, if the box number consists of fewer than four digits, enough zeros are attached to the front of the box number to produce a four-digit number (e.g., PO Box 77, Juneau, AK 99750-0077). However, there is no uniform rule, so
3618-561: The late '80s, the park was all but lost to hard-working members of the community. But soon community activist groups sprung up out of the negativity." The United States Post Office operates the Hunting Park Post Office at 4350 North Front Street. The School District of Philadelphia serves Hunting Park. For elementary school the area is served by the Alexander K. McClure Elementary School (K-5) in Hunting Park, and
3685-513: The list of two-letter state abbreviations which are generally written with both letters capitalized. An earlier list, publicized in June 1963, had proposed capitalized abbreviations ranging from two to five letters. According to Publication 59 , the two-letter standard was "based on a maximum 23-position line, because this has been found to be the most universally acceptable line capacity basis for major addressing systems", which would be exceeded by
3752-440: The mailing regulations of the host country. An example address is: JOHN ADAMS UNIT 8400 BOX 0000 DPO AE 09498-0048 Like area codes , ZIP Codes are sometimes divided and changed, especially when a rural area becomes suburban . Typically, the new codes become effective once announced, and a grace period (e.g., one year) is provided in which the new and old codes are used concurrently so that postal patrons in
3819-406: The part of researchers. In an attempt to satisfy demand " by data users for statistical data by ZIP Code area", the U.S. Census Bureau calculates approximate boundaries of ZIP Code areas, which it calls ZIP Code Tabulation Areas (ZCTAs). Statistical census data is then provided for these approximate areas. The geographic data provided for these areas includes the latitude and longitude of
3886-482: The public, and most of their employees work the night shift . Items of mail picked up at post offices are sent to their own SCFs in the afternoon, where the mail is sorted overnight. In the case of large cities, the last two digits as assigned generally coincided with the older postal zone number. For example: Mr. John Smith 3256 Epiphenomenal Avenue Minneapolis, MN 554 16 In 1967, these became mandatory for second- and third-class bulk mailers, and
3953-628: The remainder of the '0' area), Puerto Rico , the U.S. Virgin Islands , and APO/FPO military addresses for personnel stationed in Europe, Africa, Southwest Asia, and onboard vessels based in the waters adjoining those lands. The lowest ZIP Code is in Holtsville, New York (00501, a ZIP Code exclusively for the U.S. Internal Revenue Service center there). Other low ZIP Codes are 00601 for Adjuntas, Puerto Rico ; 01001 for Agawam, Massachusetts , and
4020-491: The same SCF, such as in San Diego County, California , where the three-digit prefixes 919 and 920 are used for suburban and rural communities, and 921 for the city of San Diego itself, although all three are processed through the same SCF. Despite the geographic derivation of most ZIP Codes, the codes themselves do not represent geographic regions; in general, they correspond to address groups or delivery routes. As
4087-558: The same considerations as other enumeration units, and is not possible without committing the ecological fallacy . This again becomes an issue with the MAUP. They have been found not to have significant correlations with health indicators, which can lead to poor conclusions. Despite these issues, ZIP Codes remain popular among researchers in fields such as public health due to their convenience, public familiarity with them, ability to anonymize subject addresses through aggregation, and possible ignorance of more appropriate enumeration units on
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#17327982731844154-447: The system was soon adopted generally. The United States Post Office used a cartoon character , which it called Mr. ZIP , to promote the use of the ZIP Code. The name "Mr. ZIP" was coined by D. Jamison Cain. Mr. ZIP was often depicted with a legend such as "USE ZIP CODE" in the selvage of panes of postage stamps or on the covers of booklet panes of stamps. Mr. ZIP was featured prominently alongside musical group "The Swingin' Six" in
4221-618: The three-digit prefix will often exist in one county, while, in rural and most suburban areas, the prefix will exist in multiple counties; for example, the neighboring 476 prefix is found in part or entirely in six counties: Gibson, Pike, Posey, Spencer, Vanderburgh, and Warrick. In some cases, an urban county may have more than one prefix. This is the case with Allen (467, 468), Lake (464, 463), St. Joseph (465, 466), and Vanderburgh (476, 477) counties. Cities like Chicago , Houston , Los Angeles , and New York City have multiple prefixes within their city limits. In some cases, these may be served from
4288-576: The traditional state abbreviations should be used. However, the Chicago Manual of Style now recommends use of the uppercase two-letter abbreviations, with the traditional forms as an option. The postal abbreviation is the same as the ISO 3166-2 subdivision code for each of the fifty states. These codes do not overlap with the 13 Canadian subnational postal abbreviations . The code for Nebraska changed from NB to NE in November 1969 to avoid
4355-482: Was allocated to that facility; therefore, for all post offices to be served by that sectional center facility the ZIP Code changed from an old code beginning with 220 or 221 to a new code or codes beginning with 201. However, when a new sectional center facility was opened to serve Montgomery County, Maryland , no new prefix was assigned. Instead, ZIP Codes in the 207 and 208 ranges, which had previously been assigned alphabetically, were reshuffled so that 207xx ZIP Codes in
4422-476: Was chosen to suggest that the mail travels more efficiently and quickly ( zipping along ) when senders use the code in the postal address . The Philippine Postal Corporation also uses this terminology for the postal code system in the Philippines . Introduced on July 1, 1963, the basic format comprised five digits. In 1983, an extended code was introduced named ZIP+4 ; it included the five digits of
4489-519: Was to make room in a line of no more than 23 characters for the city, the state, and the ZIP code. Since 1963, only one state abbreviation has changed. Originally Nebraska was "NB"; but, in November 1969, the Post Office changed it to "NE" to avoid confusion with New Brunswick in Canada . Prior to 1987, when the U.S. Secretary of Commerce approved the two-letter codes for use in government documents,
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