ZIP Code 45346 – New Madison, OH
New Madison, Ohio · Darke County · Eastern time
| ZIP code | 45346 |
|---|---|
| City | New Madison |
| State | Ohio |
| County | Darke County |
| Population | 1,663 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 40.15 sq mi |
| Center (lat, long) | 39.9821, -84.7100 |
Area codes in this area
These are the area codes that most often serve ZIP 45346 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 45346
ZIP code 45346 is assigned to New Madison, Ohio. It lies in Darke County. Its Census area covers about 40.15 square miles of land. The closest neighboring ZIP is 45332 (Hollansburg), about 3.7 miles away.
Every address in 45346 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources