Area Code 812
Area code 812 is associated with Indiana. It connects to 323 ZIP codes across 264 cities, with an estimated combined population of 1,507,882.
Area details
- Area code
- 812
- States covered
- Indiana
- States count
- 1
- ZIP codes
- 323
- Cities
- 264
- Population
- 1,507,882
Related ZIP codes
Open ZIP state pageAbout area code 812
Area code 812 is a useful lookup entry for Indiana. 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 Indiana lookup pages for ZIP codes and area codes.