| City: | Macon, Georgia |
| County: | Bibb County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:34:43 PM |
| Population: | No Population Data |
| Area Code: | 478 |
| Classification: | PO Box |
| Coordinates: | 32.8399, -83.6103 |
| Quick Link: |
ZIP code 31221 serves a commercial corridor in Macon, Georgia. Unlike most ZIP codes, it has no residential population. The Census Bureau assigns zero residents to this area because it's a business-focused postal zone within the larger Macon metropolitan area.
The post office maintains 517 PO Boxes and serves 349 registered business establishments. All street-addressed mail goes to a single location: Peake Road North. The 122 ZIP+4 records on this street use UNIT designators, indicating a commercial complex or office park setting.
This isn't a PO Box Only Zone. Residents and businesses in the surrounding area can receive street delivery through neighboring ZIP codes, particularly 31210, which geographically contains this postal point. The 31221 post office exists to provide PO Box services and handle mail for the businesses concentrated along this commercial stretch.
With 99 employees working at the 8 tracked establishments, the area has an employment density typical of office parks or light commercial districts. Businesses here use 31221 PO Boxes to maintain a Macon address separate from their physical location or to handle high mail volumes.
All mail delivery concentrates on one commercial street with unit-based addressing.
ZIP Code 31221 supports both business and residential activity. According to the Business Census (2024), there are 9 business establishments, employing about 164 people with an annual payroll of $8,202,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,188Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 9Source: CBP |
| 1st Quarter Payroll: | $1,908,000Source: CBP |
| Annual Payroll: | $8,202,000Source: CBP |
| # of Employees: | 164Source: CBP |
ZIP Code 31221 is located in Bibb County, Georgia, within the Macon-Bibb County, GA Metropolitan Statistical Area (CBSA 31420) and Georgia's 8th Congressional District. This Metro area has a population of 234,040 people, about 0.00% of whom live in ZIP Code 31221. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Macon-Bibb County, GASource: Census |
| CBSA Number: | 31420Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 234,040Source: Census |
| MSA: | Macon, GA MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 08Source: USPS |
| Congressional Land Area: | 8711.64 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 31420Source: Census |
| Place Name: | Macon-Bibb County, GA Metro AreaSource: Census |
We could not locate which school district 31221 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 January 1, 2026.