Clarksville Ohio ZIP Codes
Clarksville holds a single ZIP code.
Every ZIP code in Clarksville
| ZIP code | County |
|---|---|
| 45113 | Clinton 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Clarksville codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Clarksville. 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 Clarksville ZIP code begins 451. Those first three digits identify the sectional center facility that processes mail for this part of Ohio. Statewide that range covers 49 ZIP codes, so Clarksville accounts for 2% of it.
Every Ohio ZIP prefix and the region it covers →
Area codes covering Clarksville
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 Clarksville occupies.
Clarksville Ohio area codes in full →
Where Clarksville's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Clarksville
| City | Distance | ZIP codes |
|---|---|---|
| Harveysburg Ohio ZIP codes | 7.0 mi | 1 ZIP code |
| Blanchester Ohio ZIP codes | 7.4 mi | 1 ZIP code |
| Midland Ohio ZIP codes | 7.8 mi | 1 ZIP code |
| Morrow Ohio ZIP codes | 7.9 mi | 1 ZIP code |
| Wilmington Ohio ZIP codes | 9.4 mi | 1 ZIP code |
| Waynesville Ohio ZIP codes | 11 mi | 1 ZIP code |
| Pleasant Plain Ohio ZIP codes | 11 mi | 1 ZIP code |
| Martinsville Ohio ZIP codes | 11 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.