Croswell Michigan ZIP Codes
Croswell holds a single ZIP code.
Every ZIP code in Croswell
| ZIP code | County |
|---|---|
| 48422 | Sanilac 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Croswell codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Croswell. 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 Croswell ZIP code begins 484. Those first three digits identify the sectional center facility that processes mail for this part of Michigan. Statewide that range covers 60 ZIP codes, so Croswell accounts for 2% of it.
Every Michigan ZIP prefix and the region it covers →
Area codes covering Croswell
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 Croswell occupies.
Croswell Michigan area codes in full →
Where Croswell's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Croswell
| City | Distance | ZIP codes |
|---|---|---|
| Lexington Michigan ZIP codes | 4.0 mi | 1 ZIP code |
| Applegate Michigan ZIP codes | 6.1 mi | 1 ZIP code |
| Peck Michigan ZIP codes | 10 mi | 1 ZIP code |
| Carsonville Michigan ZIP codes | 11 mi | 1 ZIP code |
| Port Sanilac Michigan ZIP codes | 11 mi | 1 ZIP code |
| Yale Michigan ZIP codes | 14 mi | 1 ZIP code |
| Melvin Michigan ZIP codes | 14 mi | 1 ZIP code |
| Sandusky Michigan ZIP codes | 15 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.