| City: | Experiment, Georgia |
| County: | Spalding County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:14:46 PM |
| Population: | No Population Data |
| Area Codes: | 470 / 678 / 770 / 943 |
| Classification: | PO Box |
| Coordinates: | 33.2660, -84.2806 |
| Quick Link: |
Experiment, Georgia holds one of the most unusual town names in America. Located in Spalding County about 40 miles south of Atlanta, this small community exists as a point location within the larger Griffin ZIP code (30223). The name dates to the late 1800s when a local farmer conducted agricultural experiments on his land.
The Experiment post office maintains 354 PO Boxes despite the Census recording zero population within its boundaries. This isn't an error. The ZIP exists as a MultiPoint geometry, meaning it's a point location rather than a territory. Residents who pick up mail here actually live in surrounding areas. Three small businesses operate within this ZIP, employing just 4 people total.
This is classified as a PO Box Only Zone, meaning there's no alternative mail delivery option for addresses assigned to 30212. However, the post office does handle street delivery via 2 city carrier routes, serving addresses on Experiment Street. Mail addressed to this ZIP goes to PO Boxes or the single street with delivery.
The nearest neighborhoods are subdivisions like Ashwood Trace, Hillview Estates, and Hampton Place, all about 6 miles away in the greater Atlanta metro area. For most practical purposes, Experiment functions as a satellite post office serving the rural edges of Griffin and surrounding Spalding County.
The entire ZIP contains only one street, Experiment Street, which shares the community's distinctive name.
ZIP Code 30212 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 5 people with an annual payroll of $158,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 494Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $40,000Source: CBP |
| Annual Payroll: | $158,000Source: CBP |
| # of Employees: | 5Source: CBP |
ZIP Code 30212 is located in Spalding County, Georgia, within the Atlanta-Sandy Springs-Roswell, GA Metropolitan Statistical Area (CBSA 12060) and Georgia's 3rd Congressional District. This Metro area has a population of 5,268,860 people, about 0.00% of whom live in ZIP Code 30212, 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: | 5,268,860Source: Census |
| MSA: | Atlanta, GA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 03Source: USPS |
| Congressional Land Area: | 3838.27 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1328296Source: Census |
| Place Name: | Experiment CDP; GeorgiaSource: Census |
We could not locate which school district 30212 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.