Mackinac County ZIP Codes

Mackinac County is a county of Michigan.

ZIP codes: 10
Cities & towns: 10
Area codes: 2
Land area: 1,022 sq mi

Every ZIP code in Mackinac County

497xx–498xx

The complete list of Mackinac County, MI ZIP codes with the city each one delivers to.
ZIP code	City
49719	Cedarville
49745	Hessel
49757	Mackinac Island
49760	Moran
49762	Naubinway
49775	Pointe Aux Pins
49781	Saint Ignace
49820	Curtis
49827	Engadine
49838	Gould City

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Mackinac County codes above are listed without a column we would have to invent.

Cities and towns in Mackinac County

A further 9 places in Mackinac County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Mackinac County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where Mackinac County's ZIP codes sit

Each point is the reference point of one Mackinac County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope every ZIP code recorded in Mackinac County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.