County ZIP codes · Georgia · FIPS 13135
Gwinnett County, GA ZIP Codes
Gwinnett County, Georgia has 38 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 26 residential and 12 for PO boxes or a single organization. 16 of the residential ones lie mainly in Gwinnett County and 10 mainly in a neighboring county; 16 cross the county line. Median household income ranges from $48,404 in 30093 (Norcross) to $143,879 in 30024 (Suwanee) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Gwinnett 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 $79,309 and $99,917.
They carry 18 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 26 residential ZIP codes in Gwinnett County
16 ZIP codes lie mainly in Gwinnett County; 10 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 30044 | Lawrenceville | 101,475 | 4,086 | $77k | $330k | 100% |
| 30024 | Suwanee | 88,067 | 2,114 | $144k | $551k | 65% |
| 30043 | Lawrenceville | 87,929 | 2,659 | $94k | $378k | 100% |
| 30096 | Duluth | 71,732 | 3,155 | $75k | $375k | 100% |
| 30047 | Lilburn | 70,121 | 2,562 | $89k | $367k | 100% |
| 30519 | Buford | 59,997 | 1,775 | $103k | $413k | 88% |
| 30518 | Buford | 57,912 | 1,446 | $97k | $411k | 79% |
| 30039 | Snellville | 52,783 | 2,088 | $94k | $320k | 94% |
| 30019 | Dacula | 51,162 | 1,091 | $117k | $441k | 96% |
| 30093 | Norcross | 46,410 | 3,867 | $48k | $266k | 100% |
| 30045 | Lawrenceville | 44,993 | 2,117 | $104k | $378k | 100% |
| 30046 | Lawrenceville | 41,850 | 2,644 | $67k | $340k | 100% |
| 30078 | Snellville | 41,597 | 2,403 | $98k | $353k | 100% |
| 30092 | Peachtree Corners | 36,992 | 3,311 | $79k | $487k | 99% |
| 30017 | Grayson | 26,620 | 2,305 | $100k | $408k | 100% |
| 30071 | Norcross | 25,830 | 2,135 | $65k | $370k | 100% |
Partly in Gwinnett County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 30097 | Duluth | 46,876 | 1,992 | $125k | $625k | 43% |
| 30087 | Stone Mountain | 38,977 | 1,723 | $97k | $348k | 32% |
| 30360 | Atlanta | 16,855 | 2,758 | $98k | $426k | 28% |
| 30052 | Loganville | 79,811 | 897 | $94k | $358k | 27% |
| 30011 | Auburn | 21,624 | 805 | $86k | $328k | 26% |
| 30340 | Atlanta | 30,062 | 3,645 | $63k | $344k | 19% |
| 30084 | Tucker | 38,242 | 2,570 | $81k | $361k | 18% |
| 30620 | Bethlehem | 18,139 | 817 | $84k | $342k | 16% |
| 30517 | Braselton | 18,994 | 687 | $118k | $411k | 11% |
| 30548 | Hoschton | 26,232 | 649 | $111k | $461k | 9% |
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?
16 ZIP codes of Gwinnett County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Gwinnett | Elsewhere |
|---|---|---|
| 30024 | 65% | Forsyth County32%; Fulton County3% |
| 30052 | 27% | Walton County67%; Rockdale County5%; Newton County1% |
| 30519 | 88% | Hall County12% |
| 30518 | 79% | Hall County21% |
| 30039 | 94% | DeKalb County6% |
| 30019 | 96% | Walton County4% |
| 30097 | 43% | Fulton County50%; Forsyth County7% |
| 30087 | 32% | DeKalb County68% |
| 30084 | 18% | DeKalb County82% |
| 30092 | 99% | Fulton County1% |
| 30340 | 19% | DeKalb County81% |
| 30548 | 9% | Jackson County62%; Barrow County20%; Hall County9% |
| 30011 | 26% | Barrow County74% |
| 30517 | 11% | Jackson County52%; Hall County30%; Barrow County7% |
| 30620 | 16% | Barrow County78%; Walton County6% |
| 30360 | 28% | DeKalb County72% |
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 Gwinnett County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Gwinnett County's ZIP codes use 4 prefixes: 300, 303, 305 and 306.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 300 | North Metro, GA (SCF 300) | 30 | 89 |
| 303 | Atlanta, GA (SCF 303) | 2 | 75 |
| 305 | North Metro, GA (SCF 300) | 5 | 69 |
| 306 | North Metro, GA (SCF 300) | 1 | 52 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.