College Place Washington ZIP Codes
College Place holds a single ZIP code.
Every ZIP code in College Place
| ZIP code | County |
|---|---|
| 99324 | Walla Walla 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 College Place codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for College Place. 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 College Place ZIP code begins 993. Those first three digits identify the sectional center facility that processes mail for this part of Washington. Statewide that range covers 36 ZIP codes, so College Place accounts for 3% of it.
Every Washington ZIP prefix and the region it covers →
Area codes covering College Place
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground College Place occupies.
College Place Washington area codes in full →
Where College Place's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near College Place
| City | Distance | ZIP codes |
|---|---|---|
| Walla Walla Washington ZIP codes | 3.2 mi | 1 ZIP code |
| Prescott Washington ZIP codes | 18 mi | 1 ZIP code |
| Waitsburg Washington ZIP codes | 20 mi | 1 ZIP code |
| Dayton Washington ZIP codes | 28 mi | 1 ZIP code |
| Starbuck Washington ZIP codes | 36 mi | 1 ZIP code |
| Pasco Washington ZIP codes | 38 mi | 2 ZIP codes |
| Kennewick Washington ZIP codes | 39 mi | 3 ZIP codes |
| Kahlotus Washington ZIP codes | 42 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.