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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 code in the postal address. Introduced on July 1, 1963, the basic format comprised five ...
Postal address verification (also known as address , address validation, address verification and CASS certification [1]) is the process used to check the validity and deliverability of a physical mailing address. According to the United States Postal Service, an address is valid (or mailable) if it is CASS-certified, meaning that it exists ...
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.
USCG. 2-letter codes used by the United States Coast Guard (bold red text shows differences between ANSI and USCG) Abbreviations: GPO. Older variable-length official US Government Printing Office abbreviations. AP. Abbreviations from the AP Stylebook [ 1 ](bold red text shows differences between GPO and AP) Name and status of region. ISO.
NNNNN, NNNNN-NNNN. U.S. ZIP codes. ZIP codes 006XX for NW PR, 007XX for SE PR, in which XX designates the town or post office and 009XX for the San Juan Metropolitan Area, in which XX designates the area or borough of San Juan. The last four digits identify an area within the post office.
To find an NCES ID for public schools, private schools, or colleges click on the name of the institution in the search results. By default, search results are sorted by name within institution, however, you may select to sort by state or city. To find information about Public Libraries, please visit. Institute of Museum and Library Services (IMLS).
The associated states are integrated into the USPS addressing and ZIP code system. The USPS is responsible for transporting mail between the United States and the associated states, [201] and between the individual states of the Federated States of Micronesia. [203] The associated states synchronize postal services and rates with the USPS.
ZCTAs are approximations of United States Postal Service (USPS) 5-digit ZIP Code service areas that the Census Bureau creates using census blocks to present statistical data from censuses and surveys. The ZCTA locale assignments are based on NCES locale boundaries and reflect the locale that accounts for the largest areal proportion of the ZCTA.