Whitman County ZIP Codes
Whitman County is a county of Washington.
- ZIP codes
- 22
- Cities & towns
- 21
- Area codes
- 1
- Land area
- 2,159 sq mi
Every ZIP code in Whitman County
| ZIP code | City |
|---|---|
| 99017 | Lamont |
| 99033 | Tekoa |
| 99102 | Albion |
| 99104 | Belmont |
| 99111 | Colfax |
| 99113 | Colton |
| 99125 | Endicott |
| 99128 | Farmington |
| 99130 | Garfield |
| 99136 | Hay |
| 99143 | Lacrosse |
| 99149 | Malden |
| 99158 | Oakesdale |
| 99161 | Palouse |
| 99163 | Pullman |
| 99164 | Pullman |
| 99170 | Rosalia |
| 99171 | Saint John |
| 99174 | Steptoe |
| 99176 | Thornton |
| 99179 | Uniontown |
| 99333 | Hooper |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Whitman County codes above are listed without a column we would have to invent.
Cities and towns in Whitman County
A further 6 places in Whitman County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.
Area codes covering Whitman County
Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.
Where Whitman County's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope every ZIP code recorded in Whitman County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.