ANSI/INCITS 31-1988 Codestart - Structure for the Identification of the Counties and County Equivalents of the United States and Its Outlying and Associated Areas for Information Interchange
This Standard establishes a structure for the assignment of identifying data codes to counties and county equivalents of the United States and its outlying and associated areas, for the purpose of information interchange among data processing systems.
ANSI/INCITS 31-1988 history
2009ANSI/INCITS 31-2009 Information technology - Codes for the Identification of Counties and Equivalent Areas of the United States, Puerto Rico, and the Insular Areas
1988ANSI/INCITS 31-1988 Codestart - Structure for the Identification of the Counties and County Equivalents of the United States and Its Outlying and Associated Areas for Information Interchange