Oak Ridge Tennessee ZIP Codes
Oak Ridge holds 2 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Oak Ridge
| ZIP code | County |
|---|---|
| 37830 | Anderson County |
| 37831 | Anderson County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Oak Ridge codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Oak Ridge. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Oak Ridge ZIP code begins 378. Those first three digits identify the sectional center facility that processes mail for this part of Tennessee. Statewide that range covers 67 ZIP codes, so Oak Ridge accounts for 3% of it.
Every Tennessee ZIP prefix and the region it covers →
Area codes covering Oak Ridge
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Oak Ridge occupies.
Oak Ridge Tennessee area codes in full →
Where Oak Ridge's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Oak Ridge
| City | Distance | ZIP codes |
|---|---|---|
| Oliver Springs Tennessee ZIP codes | 5.5 mi | 1 ZIP code |
| Lenoir City Tennessee ZIP codes | 10 mi | 2 ZIP codes |
| Clinton Tennessee ZIP codes | 13 mi | 2 ZIP codes |
| Kingston Tennessee ZIP codes | 14 mi | 1 ZIP code |
| Oakdale Tennessee ZIP codes | 15 mi | 1 ZIP code |
| Harriman Tennessee ZIP codes | 15 mi | 1 ZIP code |
| Loudon Tennessee ZIP codes | 16 mi | 1 ZIP code |
| Louisville Tennessee ZIP codes | 17 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.