Kewaskum Wisconsin ZIP Codes
Kewaskum holds a single ZIP code.
Every ZIP code in Kewaskum
| ZIP code | County |
|---|---|
| 53040 | 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Kewaskum codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Kewaskum. 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 Kewaskum ZIP code begins 530. Those first three digits identify the sectional center facility that processes mail for this part of Wisconsin. Statewide that range covers 83 ZIP codes, so Kewaskum accounts for 1% of it.
Every Wisconsin ZIP prefix and the region it covers →
Area codes covering Kewaskum
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 Kewaskum occupies.
Kewaskum Wisconsin area codes in full →
Where Kewaskum's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Kewaskum
| City | Distance | ZIP codes |
|---|---|---|
| Campbellsport Wisconsin ZIP codes | 6.0 mi | 1 ZIP code |
| West Bend Wisconsin ZIP codes | 7.4 mi | 2 ZIP codes |
| Newburg Wisconsin ZIP codes | 11 mi | 1 ZIP code |
| Theresa Wisconsin ZIP codes | 11 mi | 1 ZIP code |
| Lomira Wisconsin ZIP codes | 12 mi | 1 ZIP code |
| Slinger Wisconsin ZIP codes | 13 mi | 1 ZIP code |
| Eden Wisconsin ZIP codes | 14 mi | 1 ZIP code |
| Random Lake Wisconsin ZIP codes | 14 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.