Adams Oregon ZIP Codes

Adams holds a single ZIP code.

Every ZIP code in Adams

The complete list of Adams, Oregon ZIP codes with the county each falls in.
ZIP code	County
97810	Umatilla 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Adams codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Adams. 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 Adams ZIP code begins 978. Those first three digits identify the sectional center facility that processes mail for this part of Oregon. Statewide that range covers 54 ZIP codes, so Adams accounts for 2% of it.

Every Oregon ZIP prefix and the region it covers →

Area codes covering Adams

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 Adams occupies.

Adams Oregon area codes in full →

Where Adams's ZIP codes sit

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

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

Cities near Adams

The closest places to Adams with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Athena Oregon ZIP codes	4.7 mi	1 ZIP code
Helix Oregon ZIP codes	7.4 mi	1 ZIP code
Weston Oregon ZIP codes	7.5 mi	1 ZIP code
Pendleton Oregon ZIP codes	14 mi	1 ZIP code
Pilot Rock Oregon ZIP codes	23 mi	1 ZIP code
Echo Oregon ZIP codes	30 mi	1 ZIP code
Stanfield Oregon ZIP codes	31 mi	1 ZIP code
Summerville Oregon ZIP codes	33 mi	1 ZIP code

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