Area codes 918 and 539 - Wikipedia
https://en.wikipedia.org/wiki/Area_codes_918_and_539
WEBArea codes 918 and 539 are telephone area codes serving Tulsa and northeast Oklahoma. Besides Tulsa, these area codes cover cities such as Bartlesville , Broken Arrow , Claremore , Gore , Jenks , McAlester , Muskogee , Okmulgee , Pryor , Sapulpa , Tahlequah , and northeastern Oklahoma.
DA: 85 PA: 55 MOZ Rank: 33