Plain

County ZIP codes · Georgia · FIPS 13047

Catoosa County, GA ZIP Codes

Catoosa County, Georgia has 7 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Catoosa County and 4 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $49,323 in 30742 (Fort Oglethorpe) to $83,821 in 30736 (Ringgold) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Catoosa County?

30707 · Chickamauga: $74k30726 · Graysville: –30736 · Ringgold: $84k30739 · Rock Spring: $77k30741 · Rossville: $59k30742 · Fort Oglethorpe: $49k30755 · Tunnel Hill: $74k30707307363075530739307413074230707 · Chickamauga: $74k30726 · Graysville: –30736 · Ringgold: $84k30739 · Rock Spring: $77k30741 · Rossville: $59k30742 · Fort Oglethorpe: $49k30755 · Tunnel Hill: $74k307073073630755307393074130707 · Chickamauga: $74k30726 · Graysville: –30736 · Ringgold: $84k30739 · Rock Spring: $77k30741 · Rossville: $59k30742 · Fort Oglethorpe: $49k30755 · Tunnel Hill: $74k3070730736307553073930741
The residential ZIP codes of Catoosa 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).

How different are its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $58,834 and $74,360.

They carry 7 postal town names: Ringgold, Rossville, Chickamauga, Tunnel Hill, Fort Oglethorpe, Rock Spring, Graysville.

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

All 7 residential ZIP codes in Catoosa County

3 ZIP codes lie mainly in Catoosa County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Catoosa County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
30736 Ringgold 44,499 357 $84k $264k 96%
30742 Fort Oglethorpe 7,745 1,068 $49k $194k 100%
30726 Graysville no residents 0 – – 100%

Partly in Catoosa County

Residential ZIP codes mainly in another county that reach at least 1% into Catoosa County, by their share here
In this county
30755 Tunnel Hill 9,813 266 $74k $195k 48%
30741 Rossville 30,041 1,208 $59k $173k 28%
30739 Rock Spring 6,746 264 $77k $238k 25%
30707 Chickamauga 16,686 138 $74k $236k 4%

Download the 7 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?

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

Share of each ZIP code's land in Catoosa County and in the neighboring counties
ZIPIn CatoosaElsewhere
3073696%Whitfield County 3%; Walker County 1%
3074128%Walker County 72%
307074%Walker County 96%
3075548%Whitfield County 52%
3073925%Walker County 75%

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

Which first three digits do Catoosa County'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 Catoosa County starts with 307.

Three-digit prefixes of Catoosa 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 Catoosa County's
PrefixSectional centerHereAll codes
307 Chattanooga, TN (SCF 373) 7 36

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