City ZIP codes · Georgia

Fort Stewart, GA ZIP Codes

2 ZIP codes use the postal name Fort Stewart, Georgia (Census 2020 ZCTAs and GeoNames postal codes, October 2026), all residential. Fort Stewart's most populous ZIP code is 31315, with 7,580 people (ACS 2020-2024); 100% of its land is in the city of Fort Stewart.

ACS2020-24
Census2020
GeoNames2026

Where are Fort Stewart's ZIP codes?

The 2 residential ZIP codes named Fort Stewart, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

All 2 residential ZIP codes of Fort Stewart

Residential ZIP codes with the postal name Fort Stewart, GA, largest first (ACS 2020-2024); sort by any column
	County
31315	Liberty County	7,580	2,243	$54k	–
31314	Liberty County	2,122	44	–	–

Download the 2 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

Which counties do Fort Stewart's ZIP codes reach?

Fort Stewart's residential ZIP codes lie in Liberty County.

Which first three digits do Fort Stewart's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Fort Stewart starts with 313.

Three-digit prefixes of Fort Stewart's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Fort Stewart's
Prefix	Sectional center	Here	All codes
313	Jacksonville, FL (SCF 320)	2	27

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.