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County ZIP codes · Georgia · FIPS 13053

Chattahoochee County, GA ZIP Codes

Chattahoochee County, Georgia has 2 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones extend into a neighboring county.

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Chattahoochee County?

31805 · Cusseta: $57k31905 · Fort Benning: $75k319053180531805 · Cusseta: $57k31905 · Fort Benning: $75k319053180531805 · Cusseta: $57k31905 · Fort Benning: $75k3190531805
The residential ZIP codes of Chattahoochee County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$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 in Chattahoochee County

Residential ZIP codes mainly in Chattahoochee County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
31905 Fort Benning 15,157 166 $75k – 81%
31805 Cusseta 1,833 27 $57k $103k 83%

Download the 2 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

2 ZIP codes of Chattahoochee County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Chattahoochee County and in the neighboring counties
ZIPIn ChattahoocheeElsewhere
3190581%Muscogee County 19%
3180583%Stewart County 17%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Chattahoochee County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Chattahoochee County's ZIP codes use 2 prefixes: 318 and 319.

Three-digit prefixes of Chattahoochee County'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 Chattahoochee County's
PrefixSectional centerHereAll codes
318 Macon, GA (SCF 310) 1 27
319 Macon, GA (SCF 310) 1 16

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