Several sets of codes and abbreviations are used to represent the political divisions of the United States for postal addresses, usa state abbreviations pdf processing, general abbreviations, and other purposes. This table includes abbreviations for three independent nations related to the United States through Compacts of Free Association, and other comparable postal abbreviations, including those now obsolete. Codes and abbreviations for U.
As early as October 1831, the United States Post Office recognized common abbreviations for states and territories. However, they only accepted these abbreviations because of their popularity, preferring that patrons spell names out in full to avoid confusion. The traditional abbreviations for U.
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, 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. November 1969, the Post Office changed it to “NE” to avoid confusion with New Brunswick in Canada.
To avoid duplications, some abbreviations are not intuitive. Prior to 1987, when the U. Today, the GPO supports United States Postal Service standard.
Legal citation manuals, such as The Bluebook and The ALWD Citation Manual, typically use these “traditional abbreviations” as well. 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. Minor Outlying Islands, which have an ANSI code “UM” but no USPS code—and U.