| City: | Oak Ridge, Tennessee |
| County: | Anderson County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:02:52 PM |
| Population: | No Population Data |
| Area Code: | 865 |
| Classification: | PO Box |
| Coordinates: | 36.0103, -84.2698 |
| Quick Link: |
The facility maintains a single street address record for Administration Road, which handles 268 delivery points. That's the administrative infrastructure rather than typical residential streets. Oak Ridge residents who need street delivery use the neighboring 37830 ZIP, while those preferring PO Box service come here. The setup is common in cities with Oak Ridge's history: concentrated government and research facilities that developed their own postal infrastructure separate from residential neighborhoods.
The single street name, Administration Road, reflects this ZIP's function as a postal facility rather than a residential area. It's the administrative address for the PO Box operation serving Oak Ridge.
ZIP Code 37831 supports both business and residential activity. According to the Business Census (2024), there are 34 business establishments, employing about 8,834 people with an annual payroll of $978,144,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 3,341Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 34Source: CBP |
| 1st Quarter Payroll: | $252,457,000Source: CBP |
| Annual Payroll: | $978,144,000Source: CBP |
| # of Employees: | 8,834Source: CBP |
ZIP Code 37831 is located in Anderson County, Tennessee, within the Knoxville, TN Metropolitan Statistical Area (CBSA 28940) and Tennessee's 3rd Congressional District. This Metro area has a population of 698,030 people, about 0.00% of whom live in ZIP Code 37831. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Knoxville, TNSource: Census |
| CBSA Number: | 28940Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 698,030Source: Census |
| MSA: | Knoxville, TN MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 03Source: USPS |
| Congressional Land Area: | 4570.32 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4755120Source: Census |
| Place Name: | Oak Ridge city; TennesseeSource: Census |
We could not locate which school district 37831 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.