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  2. ZIP Code - Wikipedia

    en.wikipedia.org/wiki/ZIP_code

    A 1974 postage stamp encouraging people to use the ZIP Code on letters and parcels. A ZIP Code (an acronym for Zone Improvement Plan [1]) is a system of postal codes used by the United States Postal Service (USPS). The term ZIP was chosen to suggest that the mail travels more efficiently and quickly [2] ( zipping along) when senders use the ...

  3. POSTNET - Wikipedia

    en.wikipedia.org/wiki/POSTNET

    There have been four formats of Postnet barcodes used by the Postal Service: A 5 digit (plus check digit) barcode, containing the basic ZIP Code only, referred to as the "A" code. 32 bars total. A 6 digit (plus check digit) barcode, containing the last 2 digits of the ZIP Code and the 4 digits of the ZIP+4 Code, referred to as a "B" code.

  4. List of ZIP Code prefixes - Wikipedia

    en.wikipedia.org/wiki/List_of_ZIP_Code_prefixes

    Each cell in this table contains a three-digit ZIP code prefix, the state where that ZIP code prefix is located, and the name of the United States Postal Service (USPS) Sectional Center Facility (SCF) that serves that ZIP code prefix, which may be in a different state. Each SCF may serve more than one three-digit ZIP code prefix.

  5. Delivery point - Wikipedia

    en.wikipedia.org/wiki/Delivery_point

    United States Postal Service usage. In the US Postal System, a delivery point is a specific set of digits between 00 and 99 assigned to every address. When combined with the ZIP + 4 code, the delivery point provides a unique identifier for every deliverable address served by the USPS.

  6. Postal address verification - Wikipedia

    en.wikipedia.org/wiki/Postal_address_verification

    If the address is valid, it is assigned a ZIP+4 code something like this: 12344-5678, where the first five digits are the ZIP code and the trailing four digits are the delivery range. An address with a ZIP+4 code (or nine-digit ZIP code) is considered to be valid. In most cases, this means that the address is deliverable.

  7. ZIP Code Tabulation Area (ZCTA) Locale Assignments File ...

    nces.ed.gov/programs/edge/docs/EDGE_LOCALE_ZCTA...

    ZIP Code tabulation areas (ZCTAs) are geographic approximations of U.S. Postal Service (USPS) 5-digit ZIP Code service areas that the Census Bureau uses to present statistical data from censuses and surveys. The Census Bureau defines ZCTAs by allocating each census block that contains addresses to a single ZIP

  8. List of postal codes - Wikipedia

    en.wikipedia.org/wiki/List_of_postal_codes

    The postal code refers to the post office at which the receiver's P. O. Box is located. Kiribati: KI – no codes - Korea, North: KP – no codes - Korea, South: 2015-08-01 KR: NNNNN Previously NNN-NNN (1988~2015), NNN or NNN-NN (1970~1988) Kosovo: XK: NNNNN A separate postal code for Kosovo was introduced by the UNMIK postal administration in ...

  9. Postal codes in Puerto Rico - Wikipedia

    en.wikipedia.org/wiki/Postal_codes_in_Puerto_Rico

    Each ZIP code is divided into ZIP+4 codes, just as in the rest of the United States. For example, in the ZIP+4 code 00716-2604, the basic ZIP code 00716 is the east section of the city of Ponce; and within 00716, the suffix 2604 is a section of Aceitillo Street in the Los Caobos neighborhood zip code. References. Puerto Rico portal