Smithville Tennessee ZIP Codes
Smithville holds a single ZIP code.
Every ZIP code in Smithville
| ZIP code | County |
|---|---|
| 37166 | DeKalb 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Smithville codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Smithville. 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 Smithville ZIP code begins 371. Those first three digits identify the sectional center facility that processes mail for this part of Tennessee. Statewide that range covers 57 ZIP codes, so Smithville accounts for 2% of it.
Every Tennessee ZIP prefix and the region it covers →
Area codes covering Smithville
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Smithville occupies.
Smithville Tennessee area codes in full →
Where Smithville's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Smithville
| City | Distance | ZIP codes |
|---|---|---|
| Dowelltown Tennessee ZIP codes | 7.7 mi | 1 ZIP code |
| Liberty Tennessee ZIP codes | 9.3 mi | 1 ZIP code |
| Alexandria Tennessee ZIP codes | 14 mi | 1 ZIP code |
| Auburntown Tennessee ZIP codes | 15 mi | 1 ZIP code |
| Woodbury Tennessee ZIP codes | 17 mi | 1 ZIP code |
| Gordonsville Tennessee ZIP codes | 17 mi | 1 ZIP code |
| Baxter Tennessee ZIP codes | 17 mi | 1 ZIP code |
| Doyle Tennessee ZIP codes | 19 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.