Area Code 740
Area code 740 is associated with Ohio. It connects to 338 ZIP codes across 331 cities, with an estimated combined population of 1,553,555.
Area details
- Area code
- 740
- States covered
- Ohio
- States count
- 1
- ZIP codes
- 338
- Cities
- 331
- Population
- 1,553,555
Related ZIP codes
Open ZIP state pageAbout area code 740
Area code 740 is a useful lookup entry for Ohio. It helps connect phone-number geography with ZIP code coverage, city clusters, and state-level browsing. Use the related ZIP cards above to move deeper into the postal data for this region.
If you are browsing by state, you can continue with Ohio lookup pages for ZIP codes and area codes.