Oak Harbor Ohio ZIP Codes
Oak Harbor holds a single ZIP code.
Every ZIP code in Oak Harbor
| ZIP code | County |
|---|---|
| 43449 | Ottawa 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Oak Harbor codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Oak Harbor. 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 Oak Harbor ZIP code begins 434. Those first three digits identify the sectional center facility that processes mail for this part of Ohio. Statewide that range covers 45 ZIP codes, so Oak Harbor accounts for 2% of it.
Every Ohio ZIP prefix and the region it covers →
Area codes covering Oak Harbor
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 Oak Harbor occupies.
Oak Harbor Ohio area codes in full →
Where Oak Harbor's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Oak Harbor
| City | Distance | ZIP codes |
|---|---|---|
| Rocky Ridge Ohio ZIP codes | 4.4 mi | 1 ZIP code |
| Lindsey Ohio ZIP codes | 7.3 mi | 1 ZIP code |
| Elmore Ohio ZIP codes | 8.5 mi | 1 ZIP code |
| Port Clinton Ohio ZIP codes | 10 mi | 1 ZIP code |
| Fremont Ohio ZIP codes | 11 mi | 1 ZIP code |
| Genoa Ohio ZIP codes | 12 mi | 1 ZIP code |
| Woodville Ohio ZIP codes | 12 mi | 1 ZIP code |
| Gibsonburg Ohio ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.