Gaston Oregon ZIP Codes

Gaston holds a single ZIP code.

Every ZIP code in Gaston

The complete list of Gaston, Oregon ZIP codes with the county each falls in.
ZIP code	County
97119	Washington County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Gaston codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Gaston. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Gaston ZIP code begins 971. Those first three digits identify the sectional center facility that processes mail for this part of Oregon. Statewide that range covers 43 ZIP codes, so Gaston accounts for 2% of it.

Every Oregon ZIP prefix and the region it covers →

Area codes covering Gaston

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Gaston occupies.

Gaston Oregon area codes in full →

Where Gaston's ZIP codes sit

Each point is one Gaston ZIP code, plotted from its record coordinates.

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

Cities near Gaston

The closest places to Gaston with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Forest Grove Oregon ZIP codes	6.4 mi	1 ZIP code
Yamhill Oregon ZIP codes	6.8 mi	1 ZIP code
Cornelius Oregon ZIP codes	7.4 mi	1 ZIP code
Carlton Oregon ZIP codes	9.8 mi	1 ZIP code
Hillsboro Oregon ZIP codes	12 mi	3 ZIP codes
Banks Oregon ZIP codes	13 mi	1 ZIP code
Newberg Oregon ZIP codes	13 mi	1 ZIP code
Dundee Oregon ZIP codes	13 mi	1 ZIP code

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