Codes.zone

Dayville Oregon ZIP Codes

Dayville holds a single ZIP code.

Every ZIP code in Dayville

The complete list of Dayville, Oregon ZIP codes with the county each falls in.
ZIP codeCounty
97825Grant 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Dayville codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Dayville. 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 Dayville 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 Dayville accounts for 2% of it.

Every Oregon ZIP prefix and the region it covers →

Area codes covering Dayville

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 Dayville occupies.

Dayville Oregon area codes in full →

Where Dayville's ZIP codes sit

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

Cities near Dayville

The closest places to Dayville with their own ZIP code list, nearest first.
CityDistanceZIP codes
Mount Vernon Oregon ZIP codes21 mi1 ZIP code
Monument Oregon ZIP codes25 mi1 ZIP code
Long Creek Oregon ZIP codes27 mi1 ZIP code
Spray Oregon ZIP codes28 mi1 ZIP code
John Day Oregon ZIP codes29 mi1 ZIP code
Canyon City Oregon ZIP codes29 mi1 ZIP code
Mitchell Oregon ZIP codes32 mi1 ZIP code
Seneca Oregon ZIP codes36 mi1 ZIP code

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