ZIP Code 31780

31780 is one of Georgia's ZIP codes, delivering to addresses in Plains, Sumter County.

City: Plains
County: Sumter County
State: Georgia
Prefix: 317xx

Where this code sits

31780 is part of the 317xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Plains.

Plains Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 31780 delivers to without sharing its boundary.

229 Area code 229

ZIP codes nearest 31780

The ZIP codes whose reference points sit closest to 31780.
ZIP code	Distance	Delivers to
ZIP code 31719	4.9 mi	Americus, GA
ZIP code 31709	8.4 mi	Americus, GA
ZIP code 31824	12 mi	Preston, GA
ZIP code 31787	13 mi	Smithville, GA
ZIP code 39877	13 mi	Parrott, GA
ZIP code 31832	14 mi	Weston, GA
ZIP code 39826	14 mi	Bronwood, GA
ZIP code 31711	14 mi	Andersonville, 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 31780, plotted from its record coordinates.

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

Scope ZIP code 31780. 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.