Custer Michigan ZIP Codes
Custer holds a single ZIP code.
Every ZIP code in Custer
| ZIP code | County |
|---|---|
| 49405 | Mason 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Custer codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Custer. 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 Custer ZIP code begins 494. Those first three digits identify the sectional center facility that processes mail for this part of Michigan. Statewide that range covers 57 ZIP codes, so Custer accounts for 2% of it.
Every Michigan ZIP prefix and the region it covers →
Area codes covering Custer
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 Custer occupies.
Custer Michigan area codes in full →
Where Custer's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Custer
| City | Distance | ZIP codes |
|---|---|---|
| Scottville Michigan ZIP codes | 3.0 mi | 1 ZIP code |
| Fountain Michigan ZIP codes | 7.0 mi | 1 ZIP code |
| Free Soil Michigan ZIP codes | 11 mi | 1 ZIP code |
| Ludington Michigan ZIP codes | 11 mi | 1 ZIP code |
| Pentwater Michigan ZIP codes | 16 mi | 1 ZIP code |
| Walkerville Michigan ZIP codes | 17 mi | 1 ZIP code |
| Baldwin Michigan ZIP codes | 19 mi | 1 ZIP code |
| Hart Michigan ZIP codes | 19 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.