Monmouth Oregon ZIP Codes

Monmouth holds a single ZIP code.

Every ZIP code in Monmouth

The complete list of Monmouth, Oregon ZIP codes with the county each falls in.
ZIP codeCounty
97361Polk 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Monmouth codes above are listed without a column we would have to invent.

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

How these codes cluster

Every Monmouth ZIP code begins 973. Those first three digits identify the sectional center facility that processes mail for this part of Oregon. Statewide that range covers 73 ZIP codes, so Monmouth accounts for 1% of it.

Every Oregon ZIP prefix and the region it covers →

Area codes covering Monmouth

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 Monmouth occupies.

Monmouth Oregon area codes in full →

Where Monmouth's ZIP codes sit

Each point is one Monmouth ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Monmouth

The closest places to Monmouth with their own ZIP code list, nearest first.
CityDistanceZIP codes
Independence Oregon ZIP codes1.6 mi1 ZIP code
Dallas Oregon ZIP codes6.4 mi1 ZIP code
Falls City Oregon ZIP codes10 mi1 ZIP code
Salem Oregon ZIP codes11 mi14 ZIP codes
Turner Oregon ZIP codes14 mi1 ZIP code
Jefferson Oregon ZIP codes14 mi1 ZIP code
Keizer Oregon ZIP codes15 mi1 ZIP code
Albany Oregon ZIP codes17 mi2 ZIP codes

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