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Colorado's two-letter postal abbreviation is CO and its standard abbreviation is Color. See the full list of state abbreviations for all 50 US states and other territories.
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7 maj 2021 · Learn the origin and current postal codes of the US states, including Colorado (CO). Find out how the codes are used for mailing, data processing, and introducing oneself.
List of U.S. state and territory 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.
6 lip 2022 · If a state has two words in its name, its postal abbreviation uses the first letter of each word in its abbreviation (for example, NM for New Mexico and WV for West Virginia). Most traditional abbreviations use the first three, four or five letters of the state's name, such as Colorado (Colo.) or Nevada (Nev.)
In 1831 the USPS developed its first list of state abbreviations, each consisting of two letters except Ohio’s, which was simply “O.”. In 1874 the list was updated to include new states, and longer abbreviations were introduced, largely to avoid confusion.
2-Letter State Abbreviations. The United States Postal Service publishes this list of official 2-letter abbreviations for the 50 US states. The abbreviations are to be used when addressing mail. The two letters of each abbreviation are always capitalized and without periods.
The list below is all 50 States and their postal and standard abbreviations in alphabetical order. Each state has its own unique shortened name codes called state abbreviations used in written documents and mailing addresses.
