Dayton Tennessee ZIP Codes
Dayton holds a single ZIP code.
Every ZIP code in Dayton
| ZIP code | County |
|---|---|
| 37321 | Rhea 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Dayton codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Dayton. 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 Dayton ZIP code begins 373. Those first three digits identify the sectional center facility that processes mail for this part of Tennessee. Statewide that range covers 87 ZIP codes, so Dayton accounts for 1% of it.
Every Tennessee ZIP prefix and the region it covers →
Area codes covering Dayton
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 Dayton occupies.
Dayton Tennessee area codes in full →
Where Dayton's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Dayton
| City | Distance | ZIP codes |
|---|---|---|
| Graysville Tennessee ZIP codes | 5.0 mi | 1 ZIP code |
| Decatur Tennessee ZIP codes | 12 mi | 1 ZIP code |
| Pikeville Tennessee ZIP codes | 13 mi | 1 ZIP code |
| Spring City Tennessee ZIP codes | 16 mi | 1 ZIP code |
| Charleston Tennessee ZIP codes | 20 mi | 1 ZIP code |
| Calhoun Tennessee ZIP codes | 20 mi | 1 ZIP code |
| Athens Tennessee ZIP codes | 23 mi | 2 ZIP codes |
| Cleveland Tennessee ZIP codes | 23 mi | 5 ZIP codes |
Straight-line distance between place reference points, not driving distance.