Chatham County ZIP Codes

Chatham County is a county of Georgia.

ZIP codes: 22
Cities & towns: 5
Area codes: 1
Land area: 433 sq mi

Every ZIP code in Chatham County

313xx–314xx

The complete list of Chatham County, GA ZIP codes with the city each one delivers to.
ZIP code	City
31302	Bloomingdale
31322	Pooler
31328	Tybee Island
31401	Savannah
31402	Savannah
31403	Savannah
31404	Savannah
31405	Savannah
31406	Savannah
31407	Port Wentworth
31408	Savannah
31409	Savannah
31410	Savannah
31411	Savannah
31412	Savannah
31414	Savannah
31415	Savannah
31416	Savannah
31418	Savannah
31419	Savannah
31420	Savannah
31421	Savannah

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Chatham County

Area codes covering Chatham County

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

912 Area code 912

Where Chatham County's ZIP codes sit

Each point is the reference point of one Chatham 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 Chatham 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.