Oregon ZIP Codes

ZIP codes: 481
Cities & towns: 373
Counties: 36
Area codes: 4

How Oregon ZIP codes are numbered

970xx–979xx

The first three digits identify the sectional center facility that processes mail for a region, so an Oregon ZIP code can be placed geographically from its prefix alone. Each row names the city holding the most codes in that prefix.

Oregon three-digit ZIP prefixes, the codes in each, and the city that holds the most of them.
Prefix	ZIP codes	Main area
970xx	69	Beaverton
971xx	43	Hillsboro
972xx	60	Portland
973xx	73	Salem
974xx	84	Eugene
975xx	26	Grants Pass
976xx	23	Klamath Falls
977xx	33	Bend
978xx	54	Adams
979xx	16	Adrian

Where Oregon's communities sit

Each point is an Oregon community with a published ZIP code list, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Oregon cities by ZIP code count

largest 25

Area codes serving Oregon

Scope every ZIP code recorded in Oregon. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. The map outline is a convex envelope of published places, not a state boundary.