From Academic Kids
ISO 3166-2:US is an ISO standard which defines geocodes: it is the subset of ISO 3166-2 which applies to United States of America. It covers 50 states, 1 district, 6 outlying areas (including 9 minor outlying islands under separate ISO 3166-1 country code UM). The second part of the code is two-letter alphabetic, and (except for UM) is the same as the US postal abbreviation.
- ISO 3166-2, the reference table for all country region codes.
- ISO 3166-1, the reference table for all country codes, as used for domain names on the internet.
- The U.S. Federal Information Processing Standard FIPS 10-4, created by the U.S. Government for identifying certain countries and areas.
- Federal Information Processing Standard FIPS 5-2, for identifying U.S. States.eo:ISO 3166-2:US