ZIP Code 31603

31603 is one of Georgia's ZIP codes, delivering to addresses in Valdosta, Lowndes County.

City: Valdosta
County: Lowndes County
State: Georgia
Prefix: 316xx

Where this code sits

31603 is part of the 316xx range, the group of codes handled by one mail processing centre. Valdosta is served by 7 ZIP codes in total; the full list, with the county each falls in, is on the Valdosta page.

Valdosta Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 31603 delivers to without sharing its boundary.

229 Area code 229

ZIP codes nearest 31603

The ZIP codes whose reference points sit closest to 31603.
ZIP code	Distance	Delivers to
ZIP code 31604	0.0 mi	Valdosta, GA
ZIP code 31698	2.5 mi	Valdosta, GA
ZIP code 31606	4.3 mi	Valdosta, GA
ZIP code 31602	6.4 mi	Valdosta, GA
ZIP code 31601	7.0 mi	Valdosta, GA
ZIP code 31605	8.2 mi	Valdosta, GA
ZIP code 31641	9.1 mi	Naylor, GA
ZIP code 31636	11 mi	Lake Park, 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 31603, plotted from its record coordinates.

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

Scope ZIP code 31603. 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.