State codes and abbreviations for U.S. states and territoriesSource:
This data frame includes abbreviations and codes for states and territories in the United States. It is intended as a lookup table.
A data.frame with 69 rows and 4 variables:
The state or territory name
The two character abbreviation for the state or territory.
A three digit numeric FIPS code for the state or territory.
U.S. Census Bureau, U.S. Gazeteer Files (2014).
Federal Information Processing Standard state code, Wikipedia (accessed July 23, 2015).