Columbia City Oregon ZIP Codes
Columbia City holds a single ZIP code.
Every ZIP code in Columbia City
| ZIP code | County |
|---|---|
| 97018 | Columbia 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Columbia City codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Columbia City. 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 Columbia City 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 Columbia City accounts for 1% of it.
Every Oregon ZIP prefix and the region it covers →
Area codes covering Columbia City
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 Columbia City occupies.
Columbia City Oregon area codes in full →
Where Columbia City's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Columbia City
| City | Distance | ZIP codes |
|---|---|---|
| Scappoose Oregon ZIP codes | 10 mi | 1 ZIP code |
| Rainier Oregon ZIP codes | 13 mi | 1 ZIP code |
| Vernonia Oregon ZIP codes | 18 mi | 1 ZIP code |
| North Plains Oregon ZIP codes | 23 mi | 1 ZIP code |
| Clatskanie Oregon ZIP codes | 24 mi | 1 ZIP code |
| Banks Oregon ZIP codes | 24 mi | 1 ZIP code |
| Portland Oregon ZIP codes | 26 mi | 60 ZIP codes |
| Hillsboro Oregon ZIP codes | 26 mi | 3 ZIP codes |
Straight-line distance between place reference points, not driving distance.