ZIP CodesZIP codes in Gwinnett County, Georgia
Gwinnett County, Georgia has 30 ZIP codes in this list, from 30003 to 30519. They cover 12 places, among them Lawrenceville, Norcross, Duluth and Buford.
Nothing in this county matches.
The ZIP code areas of Gwinnett County add up to about 509 square miles of land (1,319 sq km) as the Census Bureau draws them. The largest is 30052 (Loganville), with 88.9 square miles.
Places with more than one code here: Lawrenceville (6 codes), Norcross (5 codes), Duluth (5 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Norcross, GA 30003.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.