Old Washington Ohio ZIP Codes
Old Washington holds a single ZIP code.
Every ZIP code in Old Washington
| ZIP code | County |
|---|---|
| 43768 | Guernsey 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Old Washington codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Old Washington. 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 Old Washington ZIP code begins 437. Those first three digits identify the sectional center facility that processes mail for this part of Ohio. Statewide that range covers 59 ZIP codes, so Old Washington accounts for 2% of it.
Every Ohio ZIP prefix and the region it covers →
Area codes covering Old Washington
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 Old Washington occupies.
Old Washington Ohio area codes in full →
Where Old Washington's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Old Washington
| City | Distance | ZIP codes |
|---|---|---|
| Lore City Ohio ZIP codes | 3.9 mi | 1 ZIP code |
| Byesville Ohio ZIP codes | 7.0 mi | 1 ZIP code |
| Senecaville Ohio ZIP codes | 7.2 mi | 1 ZIP code |
| Cambridge Ohio ZIP codes | 7.6 mi | 1 ZIP code |
| Quaker City Ohio ZIP codes | 9.1 mi | 1 ZIP code |
| Pleasant City Ohio ZIP codes | 11 mi | 1 ZIP code |
| Fairview Ohio ZIP codes | 11 mi | 1 ZIP code |
| Barnesville Ohio ZIP codes | 15 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.