States and Cities

Editorial Voice
States and Cities
When the name of a state name appears in the body of a text, spell it out. When the name of a city and state are used together, the name of the state should be abbreviated (except for Alaska, Hawaii, Idaho, Iowa, Maine, Ohio, Texas and Utah). States should also be abbreviated when used as part of a short-form political affiliation. Examples: He was travelling to Nashville, Tenn. The peace accord was signed in Dayton, Ohio. The storm began in Indiana and moved west toward Peoria, Ill.
Here is how each state is abbreviated in AP style (with the postal code abbreviations in parentheses):
