Fort Atkinson Wisconsin ZIP Codes
Fort Atkinson holds a single ZIP code.
Every ZIP code in Fort Atkinson
| ZIP code | County |
|---|---|
| 53538 | Jefferson 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Fort Atkinson codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Fort Atkinson. 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 Fort Atkinson ZIP code begins 535. Those first three digits identify the sectional center facility that processes mail for this part of Wisconsin. Statewide that range covers 87 ZIP codes, so Fort Atkinson accounts for 1% of it.
Every Wisconsin ZIP prefix and the region it covers →
Area codes covering Fort Atkinson
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 Fort Atkinson occupies.
Fort Atkinson Wisconsin area codes in full →
Where Fort Atkinson's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Fort Atkinson
| City | Distance | ZIP codes |
|---|---|---|
| Jefferson Wisconsin ZIP codes | 5.8 mi | 1 ZIP code |
| Whitewater Wisconsin ZIP codes | 8.2 mi | 1 ZIP code |
| Cambridge Wisconsin ZIP codes | 11 mi | 1 ZIP code |
| Lake Mills Wisconsin ZIP codes | 11 mi | 1 ZIP code |
| Johnson Creek Wisconsin ZIP codes | 11 mi | 1 ZIP code |
| Milton Wisconsin ZIP codes | 11 mi | 1 ZIP code |
| Edgerton Wisconsin ZIP codes | 13 mi | 1 ZIP code |
| Palmyra Wisconsin ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.