Port Sanilac Michigan ZIP Codes
Port Sanilac holds a single ZIP code.
Every ZIP code in Port Sanilac
| ZIP code | County |
|---|---|
| 48469 | 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Port Sanilac codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Port Sanilac. 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 Port Sanilac 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 Port Sanilac accounts for 2% of it.
Every Michigan ZIP prefix and the region it covers →
Area codes covering Port Sanilac
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 Port Sanilac occupies.
Port Sanilac Michigan area codes in full →
Where Port Sanilac's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Port Sanilac
| City | Distance | ZIP codes |
|---|---|---|
| Carsonville Michigan ZIP codes | 6.4 mi | 1 ZIP code |
| Applegate Michigan ZIP codes | 6.7 mi | 1 ZIP code |
| Lexington Michigan ZIP codes | 11 mi | 1 ZIP code |
| Croswell Michigan ZIP codes | 11 mi | 1 ZIP code |
| Deckerville Michigan ZIP codes | 12 mi | 1 ZIP code |
| Sandusky Michigan ZIP codes | 15 mi | 1 ZIP code |
| Forestville Michigan ZIP codes | 16 mi | 1 ZIP code |
| Peck Michigan ZIP codes | 18 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.