Bay City Michigan ZIP Codes
Bay City holds 3 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Bay City
| ZIP code | County |
|---|---|
| 48706 | Bay County |
| 48707 | Bay County |
| 48708 | Bay 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Bay City codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Bay City. 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 Bay City ZIP code begins 487. Those first three digits identify the sectional center facility that processes mail for this part of Michigan. Statewide that range covers 54 ZIP codes, so Bay City accounts for 6% of it.
Every Michigan ZIP prefix and the region it covers →
Area codes covering Bay City
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 Bay City occupies.
Bay City Michigan area codes in full →
Where Bay City's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Bay City
| City | Distance | ZIP codes |
|---|---|---|
| Essexville Michigan ZIP codes | 2.8 mi | 1 ZIP code |
| Auburn Michigan ZIP codes | 9.4 mi | 1 ZIP code |
| Saginaw Michigan ZIP codes | 12 mi | 11 ZIP codes |
| Reese Michigan ZIP codes | 14 mi | 1 ZIP code |
| Midland Michigan ZIP codes | 17 mi | 7 ZIP codes |
| Fairgrove Michigan ZIP codes | 18 mi | 1 ZIP code |
| Akron Michigan ZIP codes | 19 mi | 1 ZIP code |
| Pinconning Michigan ZIP codes | 19 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.