Mansfield Washington Area Code

One area code covers Mansfield: 509.

The code covering Mansfield

Area codes covering Mansfield, Washington, with what each one primarily serves.
Area code	Primarily serves	In service
509	Spokane	1956

Scope the codes matched to Mansfield. 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

Mansfield has a single code, so there is nothing to divide — every local line carries 509.

ZIP codes for the same city

Postal geography is organised separately from telephone geography, so Mansfield’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.

Mansfield Washington ZIP codes →

Nearby places with different codes

These are the closest places to Mansfield 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 Mansfield covered by a different set of area codes.
City	Distance	Their area codes
Leavenworth Washington area codes	50 mi	206, 360, 509, 564
Skykomish Washington area codes	80 mi	206, 360, 564
Index Washington area codes	89 mi	206, 360, 564
Gold Bar Washington area codes	95 mi	206, 360, 564
Darrington Washington area codes	96 mi	206, 360, 564
Sultan Washington area codes	101 mi	206, 360, 564
North Bend Washington area codes	102 mi	425
Snoqualmie Washington area codes	105 mi	425

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