the abbreviation for Oklahoma should be OK
OK is the abbreviation used.
Okay and Oklahoma.
OK
Oklahoma.
ok
The standard two letter abbreviation for the state of Oklahoma is OK.
Oklahoma, the sooner state, has the postal abbreviation of OK.
OK
The abbreviation for the state of Oklahoma is OK.
Oklahoma City's 3-letter abbreviations is OKC.
OPSU -- Oklahoma Panhandle State University