Mahaska Kansas ZIP Codes
Mahaska holds a single ZIP code.
Every ZIP code in Mahaska
| ZIP code | County |
|---|---|
| 66955 | Washington 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Mahaska codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Mahaska. 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 Mahaska ZIP code begins 669. Those first three digits identify the sectional center facility that processes mail for this part of Kansas. Statewide that range covers 34 ZIP codes, so Mahaska accounts for 3% of it.
Every Kansas ZIP prefix and the region it covers →
Area codes covering Mahaska
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 Mahaska occupies.
Mahaska Kansas area codes in full →
Where Mahaska's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Mahaska
| City | Distance | ZIP codes |
|---|---|---|
| Narka Kansas ZIP codes | 4.3 mi | 1 ZIP code |
| Haddam Kansas ZIP codes | 9.5 mi | 1 ZIP code |
| Munden Kansas ZIP codes | 11 mi | 1 ZIP code |
| Morrowville Kansas ZIP codes | 14 mi | 1 ZIP code |
| Cuba Kansas ZIP codes | 14 mi | 1 ZIP code |
| Belleville Kansas ZIP codes | 19 mi | 1 ZIP code |
| Hollenberg Kansas ZIP codes | 19 mi | 1 ZIP code |
| Agenda Kansas ZIP codes | 20 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.