Baldwin Wisconsin ZIP Codes
Baldwin holds a single ZIP code.
Every ZIP code in Baldwin
| ZIP code | County |
|---|---|
| 54002 | St. Croix 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Baldwin codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Baldwin. 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 Baldwin ZIP code begins 540. Those first three digits identify the sectional center facility that processes mail for this part of Wisconsin. Statewide that range covers 25 ZIP codes, so Baldwin accounts for 4% of it.
Every Wisconsin ZIP prefix and the region it covers →
Area codes covering Baldwin
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 Baldwin occupies.
Baldwin Wisconsin area codes in full →
Where Baldwin's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Baldwin
| City | Distance | ZIP codes |
|---|---|---|
| Hammond Wisconsin ZIP codes | 3.4 mi | 1 ZIP code |
| Woodville Wisconsin ZIP codes | 4.3 mi | 1 ZIP code |
| Roberts Wisconsin ZIP codes | 8.8 mi | 1 ZIP code |
| Spring Valley Wisconsin ZIP codes | 9.5 mi | 1 ZIP code |
| Wilson Wisconsin ZIP codes | 9.8 mi | 1 ZIP code |
| Glenwood City Wisconsin ZIP codes | 12 mi | 1 ZIP code |
| Downing Wisconsin ZIP codes | 14 mi | 1 ZIP code |
| River Falls Wisconsin ZIP codes | 14 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.