Sinking Spring Ohio ZIP Codes
Sinking Spring holds a single ZIP code.
Every ZIP code in Sinking Spring
| ZIP code | County |
|---|---|
| 45172 | Highland 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Sinking Spring codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Sinking Spring. 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 Sinking Spring 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 Sinking Spring accounts for 2% of it.
Every Ohio ZIP prefix and the region it covers →
Area codes covering Sinking Spring
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 Sinking Spring occupies.
Sinking Spring Ohio area codes in full →
Where Sinking Spring's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Sinking Spring
| City | Distance | ZIP codes |
|---|---|---|
| Peebles Ohio ZIP codes | 9.0 mi | 1 ZIP code |
| Rarden Ohio ZIP codes | 13 mi | 1 ZIP code |
| Seaman Ohio ZIP codes | 14 mi | 1 ZIP code |
| Hillsboro Ohio ZIP codes | 15 mi | 1 ZIP code |
| Winchester Ohio ZIP codes | 17 mi | 1 ZIP code |
| Otway Ohio ZIP codes | 18 mi | 1 ZIP code |
| South Salem Ohio ZIP codes | 19 mi | 1 ZIP code |
| Greenfield Ohio ZIP codes | 19 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.