Area Code 918 History:
Area code 918 was put into service. Area code 918 was created from a split of area code 405.
Area code 539 was put into service as an overlay of area code 918.
Counties in Oklahoma within area code 918 include:
Adair County, Cherokee County, Craig County, Creek County, Delaware County, Haskell County, Hughes County, Latimer County, LeFlore County, Lincoln County, Mayes County, McIntosh County, Muskogee County, Nowata County, Okfuskee County, Okmulgee County, Osage County, Ottawa County, Pawnee County, Payne County, Pittsburg County, Pushmataha County, Rogers County, Sequoyah County, Tulsa County, Wagoner County, and Washington County.
Major cities or places in Oklahoma within area code 918 include:
Area codes 539 and 918 serve northeastern Oklahoma including the Tulsa metropolitian area and its surrounding suburbs including the larger cities and communities of Bixbey, Bartlesville, Broken Arrow, Collinsville, Glenpool, Henryetta, Jenks, Muskogee, Owasso, Sand Springs, Sapulpa and Tulsa in addition to many smaller communities within the area codes 539 and 918 overlay service area.