ZIP Code 30099: Duluth, GA
County: Gwinnett County
Coordinates: 33.95950, -84.10500
ZIP Type: Standard
Time Zone: Eastern Time (ET)
Explore detailed information for ZIP code 30099 in Duluth, GA. We include verified county details for Gwinnett County plus key geographic references used for mapping and logistics.
| Primary City | Duluth |
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| ZIP Code | 30099 |
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| County | Gwinnett County |
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| State | GA |
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| Latitude / Longitude | 33.95950, -84.10500 |
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| ZIP Type | Standard |
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| Time Zone | Eastern Time (ET) |
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| Data Updated | 2026-01-08 |
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Maps & Useful Links
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These links show the approximate center point for ZIP 30099 (not an exact boundary).
Geographic & Administrative Context
The geographic center of ZIP code 30099 is approximately 33.95950 (latitude) and -84.10500 (longitude). This location sits within Gwinnett County, contributing to regional planning across GA.
Local Coverage Notes
ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 30099 for mail delivery and general location reference in
Gwinnett County,
GA.
Some addresses near Duluth may share this ZIP due to delivery routing and local service areas.
Related ZIP Codes (Nearby)
Explore other postal codes near Duluth within GA.
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Frequently Asked Questions
What is the primary city for ZIP code 30099?
The primary city for this ZIP code is Duluth, located in GA.
In which county is 30099 located?
ZIP code 30099 is situated within Gwinnett County, GA.
What are the coordinates for 30099?
The approximate center point is 33.95950 (Latitude) and -84.10500 (Longitude).
Is ZIP code 30099 active?
This page lists ZIP 30099 as Listed based on the latest refresh date shown above.
Does ZIP 30099 cover multiple areas?
Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.
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Methodology & Data Notes
How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.
Page updated: 2026-01-08