County ZIP codes · Georgia · FIPS 13275
Thomas County, GA ZIP Codes
Thomas County, Georgia has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 9 residential and 2 for PO boxes or a single organization. 5 of the residential ones lie mainly in Thomas County and 4 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $42,083 in 31765 (Meigs) to $79,593 in 31757 (Thomasville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Thomas County?
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 $42,083 and $74,593.
They carry 8 postal town names: Thomasville, Pelham, Ochlocknee, Boston, Pavo, Coolidge, Meigs, Barwick.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 9 residential ZIP codes in Thomas County
5 ZIP codes lie mainly in Thomas County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 31792 | Thomasville | 22,962 | 109 | $51k | $203k | 71% |
| 31757 | Thomasville | 11,340 | 134 | $80k | $225k | 100% |
| 31773 | Ochlocknee | 3,981 | 47 | $80k | $196k | 79% |
| 31626 | Boston | 3,020 | 21 | $52k | $200k | 92% |
| 31738 | Coolidge | 2,798 | 45 | $70k | $177k | 74% |
Partly in Thomas County
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?
8 ZIP codes of Thomas County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Thomas | Elsewhere |
|---|---|---|
| 31792 | 71% | Grady County 29% |
| 31779 | 2% | Mitchell County 65%; Grady County 33% |
| 31773 | 79% | Grady County 19%; Colquitt County 2% |
| 31626 | 92% | Brooks County 8% |
| 31778 | 36% | Brooks County 62%; Colquitt County 3% |
| 31738 | 74% | Colquitt County 26% |
| 31765 | 29% | Mitchell County 50%; Colquitt County 21% |
| 31720 | 7% | Brooks County 93% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Thomas County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Thomas County's ZIP codes use 2 prefixes: 316 and 317.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.