| City: | Norcross, Georgia |
| Names to Avoid: | Rockbridge |
| County: | Gwinnett County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:05:31 PM |
| Population: | No Population Data |
| Area Codes: | 678 / 943 |
| Classification: | PO Box |
| Coordinates: | 33.9378, -84.2013 |
| Quick Link: |
ZIP code 30003 is a PO Box-only ZIP in Norcross, Georgia, located in Gwinnett County within the Atlanta metropolitan area. Unlike most ZIP codes, 30003 has no geographic territory of its own. It exists as a point location enclosed entirely within ZIP 30093, serving customers who want or need a PO Box address separate from their physical address.
The post office operates from Britt Road and maintains 278 PO Boxes. It also serves 100 business delivery points, making it a convenient option for small businesses in the Norcross area that prefer a professional mailing address. The ZIP+4 records show 86 entries on Britt Rd with unit designations, indicating the post office's physical location and PO Box Street Addressing availability.
This isn't a PO Box Only Zone. Residents and businesses in the surrounding area receive street delivery through neighboring ZIP codes like 30093. The 30003 ZIP exists as a supplemental mail option, not a necessity. People choose it for privacy, security, or business purposes rather than because they lack alternatives.
The alias "Rockbridge" appears in postal records but isn't valid for mailing. Gwinnett County's rapid suburban growth has made Norcross part of one of Georgia's most diverse and economically active regions.
The single street represents the post office location with PO Box Street Addressing.
ZIP Code 30003 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 19 people with an annual payroll of $555,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,307Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 5Source: CBP |
| 1st Quarter Payroll: | $149,000Source: CBP |
| Annual Payroll: | $555,000Source: CBP |
| # of Employees: | 19Source: CBP |
ZIP Code 30003 is located in Gwinnett County, Georgia, within the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area (CBSA 12060) and Georgia's 7th Congressional District. This Metro area has a population of 6,176,937 people, about 0.00% of whom live in ZIP Code 30003, and is subdivided into the Atlanta-Sandy Springs-Roswell, GA division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Atlanta-Sandy Springs-Roswell, GASource: Census |
| CBSA Number: | 12060Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Atlanta-Sandy Springs-Roswell, GA (CBSA Div 12054)Source: Census |
| CBSA Population: | 6,176,937Source: Census |
| MSA: | Atlanta, GA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 07Source: USPS |
| Congressional Land Area: | 392.61 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1355776Source: Census |
| Place Name: | Norcross city; GeorgiaSource: Census |
We could not locate which school district 30003 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.