ZIP Code 31811

31811 is one of Georgia's ZIP codes, delivering to addresses in Hamilton, Harris County.

City: Hamilton
County: Harris County
State: Georgia
Prefix: 318xx

Where this code sits

31811 is part of the 318xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Hamilton.

Hamilton Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 31811 delivers to without sharing its boundary.

ZIP codes nearest 31811

The ZIP codes whose reference points sit closest to 31811.
ZIP code	Distance	Delivers to
ZIP code 31823	6.7 mi	Pine Mountain Valley, GA
ZIP code 31804	8.4 mi	Cataula, GA
ZIP code 31822	9.1 mi	Pine Mountain, GA
ZIP code 31831	9.3 mi	Waverly Hall, GA
ZIP code 31807	9.4 mi	Ellerslie, GA
ZIP code 31808	10 mi	Fortson, GA
ZIP code 31826	12 mi	Shiloh, GA
ZIP code 31820	13 mi	Midland, GA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 31811, plotted from its record coordinates.

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

Scope ZIP code 31811. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.