ZIP Code 31042

31042 is one of Georgia's ZIP codes, delivering to addresses in Irwinton, Wilkinson County.

City: Irwinton
County: Wilkinson County
State: Georgia
Prefix: 310xx

Where this code sits

31042 is part of the 310xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Irwinton.

Irwinton Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 31042 delivers to without sharing its boundary.

478 Area code 478

ZIP codes nearest 31042

The ZIP codes whose reference points sit closest to 31042.
ZIP code	Distance	Delivers to
ZIP code 31054	3.2 mi	Mc Intyre, GA
ZIP code 31090	5.3 mi	Toomsboro, GA
ZIP code 31031	9.0 mi	Gordon, GA
ZIP code 31044	13 mi	Jeffersonville, GA
ZIP code 31067	13 mi	Oconee, GA
ZIP code 31003	14 mi	Allentown, GA
ZIP code 31017	15 mi	Danville, GA
ZIP code 31034	15 mi	Hardwick, 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 31042, plotted from its record coordinates.

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

Scope ZIP code 31042. 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.