Grass Valley Oregon ZIP Codes
Grass Valley holds a single ZIP code.
Every ZIP code in Grass Valley
| ZIP code | County |
|---|---|
| 97029 | Sherman 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Grass Valley codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Grass Valley. 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 Grass Valley ZIP code begins 970. Those first three digits identify the sectional center facility that processes mail for this part of Oregon. Statewide that range covers 69 ZIP codes, so Grass Valley accounts for 1% of it.
Every Oregon ZIP prefix and the region it covers →
Area codes covering Grass Valley
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 Grass Valley occupies.
Grass Valley Oregon area codes in full →
Where Grass Valley's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Grass Valley
| City | Distance | ZIP codes |
|---|---|---|
| Moro Oregon ZIP codes | 9.0 mi | 1 ZIP code |
| Wasco Oregon ZIP codes | 17 mi | 1 ZIP code |
| Dufur Oregon ZIP codes | 18 mi | 1 ZIP code |
| Maupin Oregon ZIP codes | 20 mi | 1 ZIP code |
| Rufus Oregon ZIP codes | 23 mi | 1 ZIP code |
| The Dalles Oregon ZIP codes | 24 mi | 1 ZIP code |
| Shaniko Oregon ZIP codes | 25 mi | 1 ZIP code |
| Condon Oregon ZIP codes | 30 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.