La Grande Oregon ZIP Codes
La Grande holds a single ZIP code.
Every ZIP code in La Grande
| ZIP code | County |
|---|---|
| 97850 | Union 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 La Grande codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for La Grande. 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 La Grande 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 La Grande accounts for 2% of it.
Every Oregon ZIP prefix and the region it covers →
Area codes covering La Grande
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 La Grande occupies.
La Grande Oregon area codes in full →
Where La Grande's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near La Grande
| City | Distance | ZIP codes |
|---|---|---|
| Imbler Oregon ZIP codes | 11 mi | 1 ZIP code |
| Summerville Oregon ZIP codes | 12 mi | 1 ZIP code |
| Union Oregon ZIP codes | 13 mi | 1 ZIP code |
| Cove Oregon ZIP codes | 14 mi | 1 ZIP code |
| Elgin Oregon ZIP codes | 18 mi | 1 ZIP code |
| North Powder Oregon ZIP codes | 22 mi | 1 ZIP code |
| Haines Oregon ZIP codes | 29 mi | 1 ZIP code |
| Wallowa Oregon ZIP codes | 32 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.