Oak Ridge, TN ZIP Codes
Oak Ridge, Tennessee has 2 ZIP codes: for street addresses and for PO boxes.
Mail addressed to Oak Ridge covers nearby places too.
Where the 37830 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
37831 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Oak Ridge city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Oak Ridge
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Oak Ridge PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 37830 | street delivery Oak Ridge |
| 37831 | PO boxes at the Jackson Square post office Jackson Square |
Oak Ridge ZIP code questions
What is the main ZIP code for Oak Ridge?
37830, the ZIP code of the main Oak Ridge post office at 301 S Tulane Ave.
Which Oak Ridge ZIP codes are for PO boxes only?
37831. Mail to it goes to boxes at the post office, not to street addresses.
What county is Oak Ridge in?
Anderson County, with parts in Roane County.
ZIP codes for towns near Oak Ridge
More towns near Oak Ridge: Dalton, Asheville, Kingsport, Johnson City, Lebanon, Gainesville, Canton, Murfreesboro, Richmond.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections