Pasco Washington Area Code

One area code covers Pasco: 509.

The code covering Pasco

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

Scope the codes matched to Pasco. 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

Pasco 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 Pasco’s 2 ZIP codes 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.

Pasco Washington ZIP codes →

Nearby places with different codes

These are the closest places to Pasco 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 Pasco covered by a different set of area codes.
City	Distance	Their area codes
Leavenworth Washington area codes	117 mi	206, 360, 509, 564
Skykomish Washington area codes	145 mi	206, 360, 564
Carbonado Washington area codes	150 mi	206, 360, 564
Enumclaw Washington area codes	150 mi	206, 253, 360, 564
Wilkeson Washington area codes	150 mi	206, 360, 564
Buckley Washington area codes	151 mi	206, 253, 360, 564
North Bend Washington area codes	151 mi	425
Morton Washington area codes	152 mi	206, 360, 564

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