ZIP Code 45370 – Spring Valley, OH
Spring Valley, Ohio · Greene County · Eastern time
| ZIP code | 45370 |
|---|---|
| City | Spring Valley |
| State | Ohio |
| County | Greene County |
| Population | 2,518 |
| Time zone | Eastern · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 16.65 sq mi |
| Center (lat, long) | 39.6084, -84.0330 |
Area codes in this area
These are the area codes that most often serve ZIP 45370 (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 45370
ZIP code 45370 is assigned to Spring Valley, Ohio. It lies in Greene County. Its Census area covers about 16.65 square miles of land. The closest neighboring ZIP is 45305 (Bellbrook), about 3.6 miles away.
Every address in 45370 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