ZIP Code 31221

31221 is one of Georgia's ZIP codes, delivering to addresses in Macon, Bibb County.

City: Macon
County: Bibb County
State: Georgia
Prefix: 312xx

Where this code sits

31221 is part of the 312xx range, the group of codes handled by one mail processing centre. Macon is served by 20 ZIP codes in total; the full list, with the county each falls in, is on the Macon page.

Macon Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 31221 delivers to without sharing its boundary.

478 Area code 478

ZIP codes nearest 31221

The ZIP codes whose reference points sit closest to 31221.
ZIP code	Distance	Delivers to
ZIP code 31202	0.0 mi	Macon, GA
ZIP code 31294	0.0 mi	Macon, GA
ZIP code 31213	0.4 mi	Macon, GA
ZIP code 31207	1.2 mi	Macon, GA
ZIP code 31201	2.3 mi	Macon, GA
ZIP code 31204	2.6 mi	Macon, GA
ZIP code 31211	3.6 mi	Macon, GA
ZIP code 31203	4.1 mi	Macon, 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 31221, plotted from its record coordinates.

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

Scope ZIP code 31221. 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.