Hammon Oklahoma Area Code

One area code covers Hammon: 580.

The code covering Hammon

Area codes covering Hammon, Oklahoma, with what each one primarily serves.
Area code	Primarily serves	In service
580	Lawton	1997

Scope the codes matched to Hammon. Source geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot) and LocalCallingGuide NPA list (2026-07 NPA list). Updated 16 July 2026. Overlay relationships come from the numbering-plan authority; the place match is computed.

Which part of town has which code

Hammon has a single code, so there is nothing to divide — every local line carries 580.

ZIP codes for the same city

Postal geography is organised separately from telephone geography, so Hammon’s 1 ZIP code do not map onto the codes above. They are listed in full, with the county each falls in, on the postal side of the site.

Hammon Oklahoma ZIP codes →

Nearby places with different codes

These are the closest places to Hammon whose area codes are not the same set. If you are near one of them, a local number may carry a code that is not on the list above.

The nearest places to Hammon covered by a different set of area codes.
City	Distance	Their area codes
Elk City Oklahoma area codes	17 mi	405, 572, 580
Colony Oklahoma area codes	45 mi	405, 572
Hydro Oklahoma area codes	46 mi	405, 572, 580
Eakly Oklahoma area codes	52 mi	405, 572
Hinton Oklahoma area codes	59 mi	405, 572
Geary Oklahoma area codes	60 mi	405, 572
Lookeba Oklahoma area codes	60 mi	405, 572
Hitchcock Oklahoma area codes	62 mi	405, 572, 580

Straight-line distance between place reference points, not driving distance.