ANSI/INCITS 38-1988 Information Systems - Codes - Identification of the States, the District of Columbia and the Outlying and Associated Areas of the United States for Information Interchange
Provides two-digit numeric representations and two-letter alphabetic representations for: (1) Each state of the United States, (2) The District of Columbia, and (3) The Outlying and Associated areas of the United States.
ANSI/INCITS 38-1988 history
2009ANSI/INCITS 38-2009 Information technology - Codes for the Identification of the States and Equivalent Areas within the United States, Puerto Rico, and the Insular Areas
1988ANSI/INCITS 38-1988 Information Systems - Codes - Identification of the States, the District of Columbia and the Outlying and Associated Areas of the United States for Information Interchange