The postal abbreviation is CO
CO (both letters capitalized) is the standard abbreviation for Colorado.Colorado is a state in the United States. The abbreviation of Colorado is CO. Colorado is part of Western and Southwestern United States.
The postal abbreviation for Indiana is IN.
The postal abbreviation for Maine is ME.
The postal abbreviation for Maine is ME.
the postal abbreviation for Oregon is OR.
MI is the postal Abbreviation for Michigan
The postal abbreviation for Idaho is ID.
The postal abbreviation for Minnesota is MN.
There isn't a postal abbreviation for Oxford. The abbreviation for Oxfordshire, however, is 'Oxon'.
NJ is the postal abbreviation for New Jersey.
The postal abbreviation for Washington, D.C. is DC.