Codes.zone

Dayton Washington Area Code

One area code covers Dayton: 509.

The code covering Dayton

Area codes covering Dayton, Washington, with what each one primarily serves.
Area codePrimarily servesIn service
509Spokane1956

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

Which part of town has which code

Dayton 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 Dayton’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.

Dayton Washington ZIP codes →

Nearby places with different codes

These are the closest places to Dayton 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 Dayton covered by a different set of area codes.
CityDistanceTheir area codes
Leavenworth Washington area codes154 mi206, 360, 509, 564
Skykomish Washington area codes186 mi206, 360, 564
North Bend Washington area codes196 mi425
Index Washington area codes198 mi206, 360, 564
Enumclaw Washington area codes200 mi206, 253, 360, 564
Buckley Washington area codes200 mi206, 253, 360, 564
Carbonado Washington area codes200 mi206, 360, 564
Wilkeson Washington area codes201 mi206, 360, 564

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