County ZIP codes · Georgia · FIPS 13289
Twiggs County, GA ZIP Codes
Twiggs County, Georgia has 6 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Twiggs County and 4 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $44,809 in 31217 (Macon) to $69,720 in 31020 (Dry Branch) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Twiggs 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 $54,362 and $59,167.
They carry 6 postal town names: Macon, Cochran, Gordon, Jeffersonville, Dry Branch, Danville.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 6 residential ZIP codes in Twiggs County
2 ZIP codes lie mainly in Twiggs County; 4 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 31044 | Jeffersonville | 3,082 | 20 | $35k | $98k | 91% |
| 31020 | Dry Branch | 1,617 | 13 | $70k | $151k | 96% |
Partly in Twiggs 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?
6 ZIP codes of Twiggs County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Twiggs | Elsewhere |
|---|---|---|
| 31217 | 30% | Jones County 40%; Bibb County 30% |
| 31014 | 9% | Bleckley County 77%; Dodge County 14% |
| 31031 | 17% | Wilkinson County 66%; Baldwin County 13%; Jones County 4% |
| 31044 | 91% | Wilkinson County 9% |
| 31020 | 96% | Bibb County 4% |
| 31017 | 28% | Wilkinson County 53%; Bleckley County 19% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Twiggs County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Twiggs County's ZIP codes use 2 prefixes: 310 and 312.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.