Saginaw County ZIP Codes

Saginaw County is a county of Michigan.

ZIP codes
23
Cities & towns
13
Area codes
1
Land area
801 sq mi

Every ZIP code in Saginaw County

484xx–487xx
The complete list of Saginaw County, MI ZIP codes with the city each one delivers to.
ZIP codeCity
48415Birch Run
48417Burt
48601Saginaw
48602Saginaw
48603Saginaw
48604Saginaw
48605Saginaw
48606Saginaw
48607Saginaw
48608Saginaw
48609Saginaw
48614Brant
48616Chesaning
48623Freeland
48626Hemlock
48637Merrill
48649Oakley
48655Saint Charles
48663Saginaw
48722Bridgeport
48724Carrollton
48734Frankenmuth
48787Frankenmuth

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Saginaw County

A further 7 places in Saginaw 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 Saginaw County

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

Where Saginaw County's ZIP codes sit

Each point is the reference point of one Saginaw 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 Saginaw 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 . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.