ID is the postal abbreviation for Idaho.
AnswerThe United States Postal service has given the state of Idaho two letters for its abbreviation: ID, but the three letter abbreviation used before the late 1960s was Ida.
The postal abbreviation for Idaho is ID.
The postal abbreviation CA is for the state of California.
AZ is the postal abbreviation for the state of Arizona.
The postal abbreviation for the state of Pennsylvania is PA.
AZ is the postal abbreviation for the state of Arizona.
The abbreviation is WY.
The old postal abbreviation was "Wash." The modern postal abbreviation is "WA" (without a period).
Missouri is the only state with the postal abbreviation MO.
WA is the state abbreviation for Washington.
Oklahoma, the sooner state, has the postal abbreviation of OK.