The state of

Oklahoma Oklahoma (; Choctaw language, Choctaw: ; chr, ᎣᎧᎳᎰᎹ, ''Okalahoma'' ) is a U.S. state, state in the South Central United States, South Central region of the United States, bordered by Texas on the south and west, Kansas on the nor ...

is served by the following area codes: *

405 __NOTOC__ Year 405 ( CDV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Stilicho and Anthemius (or, less frequently, year 1158 ''Ab ...

, which serves central Oklahoma including Oklahoma City (original area code created in 1947; 572 added as overlay on April 24th, 2021 *

580 __NOTOC__ Year 580 ( DLXXX) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar. The denomination 580 for this year has been used since the early medieval period, when the Anno Domini calendar era bec ...

, which serves western and southern Oklahoma (split from 405 in 1997) * 539/918, which serves northeastern Oklahoma including Tulsa (918 created in 1953 as split from 405; 539 added as overlay in 2011)

References

{{Area code list Area code list

Area codes A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...