AP Style - DNREC Alpha

When the name of a state appears after the name of a city, town or municipality within its borders, abbreviate and use commas before and after the state unless it is the end of a sentence (Camden, N.J., Dover, Del., Annapolis, Md., Pittsburg, Pa., Arlington, Va., Washington, D.C.,). State abbreviations are NOT the same as postal abbreviations. ................
................