Federal Information Processing Standard state code - Wikipedia
https://en.wikipedia.org/wiki/Federal_Information_Processing_Standard_state_code
The following table enumerates the FIPS state alpha and numeric codes for the states, the District of Columbia, the outlying areas of the United States, the freely associated states, and trust territory, and FIPS state numeric codes for the individual minor outlying island territories. Only actual U.S. states and the District of Columbia had FIPS state numeric codes in the range 01 through 56.
DA: 99 PA: 56 MOZ Rank: 56