ZIP Code 31521

31521 is one of Georgia's ZIP codes, delivering to addresses in Brunswick, Glynn County.

City: Brunswick
County: Glynn County
State: Georgia
Prefix: 315xx

Where this code sits

31521 is part of the 315xx range, the group of codes handled by one mail processing centre. Brunswick is served by 5 ZIP codes in total; the full list, with the county each falls in, is on the Brunswick page.

Brunswick Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 31521 delivers to without sharing its boundary.

912 Area code 912

ZIP codes nearest 31521

The ZIP codes whose reference points sit closest to 31521.
ZIP code	Distance	Delivers to
ZIP code 31520	2.1 mi	Brunswick, GA
ZIP code 31524	5.0 mi	Brunswick, GA
ZIP code 31523	5.7 mi	Brunswick, GA
ZIP code 31527	7.0 mi	Jekyll Island, GA
ZIP code 31565	8.7 mi	Waverly, GA
ZIP code 31525	9.3 mi	Brunswick, GA
ZIP code 31561	10 mi	Sea Island, GA
ZIP code 31522	10 mi	Saint Simons Island, 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 31521, plotted from its record coordinates.

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

Scope ZIP code 31521. 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.