Jackson County ZIP Codes

Jackson County is a county of Michigan.

ZIP codes
19
Cities & towns
16
Area codes
2
Land area
702 sq mi

Every ZIP code in Jackson County

492xx
The complete list of Jackson County, MI ZIP codes with the city each one delivers to.
ZIP codeCity
49201Jackson
49202Jackson
49203Jackson
49204Jackson
49230Brooklyn
49234Clarklake
49237Concord
49240Grass Lake
49241Hanover
49246Horton
49254Michigan Center
49259Munith
49261Napoleon
49263Norvell
49269Parma
49272Pleasant Lake
49277Rives Junction
49283Spring Arbor
49284Springport

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Jackson County

A further 9 places in Jackson 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 Jackson County

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

Where Jackson County's ZIP codes sit

Each point is the reference point of one Jackson 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 Jackson 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.