New Madison Ohio ZIP Codes
New Madison holds a single ZIP code.
Every ZIP code in New Madison
| ZIP code | County |
|---|---|
| 45346 | Darke 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 New Madison codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for New Madison. 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 New Madison ZIP code begins 453. Those first three digits identify the sectional center facility that processes mail for this part of Ohio. Statewide that range covers 80 ZIP codes, so New Madison accounts for 1% of it.
Every Ohio ZIP prefix and the region it covers →
Area codes covering New Madison
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 New Madison occupies.
New Madison Ohio area codes in full →
Where New Madison's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near New Madison
| City | Distance | ZIP codes |
|---|---|---|
| Eldorado Ohio ZIP codes | 4.7 mi | 1 ZIP code |
| Hollansburg Ohio ZIP codes | 5.0 mi | 1 ZIP code |
| Palestine Ohio ZIP codes | 6.0 mi | 1 ZIP code |
| West Manchester Ohio ZIP codes | 6.2 mi | 1 ZIP code |
| Arcanum Ohio ZIP codes | 8.3 mi | 1 ZIP code |
| New Paris Ohio ZIP codes | 8.8 mi | 1 ZIP code |
| Greenville Ohio ZIP codes | 11 mi | 1 ZIP code |
| Verona Ohio ZIP codes | 12 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.