| District of Indiana area codes: 812 | |
|---|---|
| Country | United States |
| State/Province | Indiana |
| Major City | Evansville |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 812-261 | Vigo | Terre Haute, IN | 365 Wireless |
| 812-262 | Vigo | Terre Haute, IN | Frontier North |
| 812-263 | Vigo | Terre Haute, IN | Frontier North |
| 812-264 | Vigo | Terre Haute, IN | Cellco Partnership DBA Verizon Wireless |
| 812-265 | Jefferson | Madison, IN | Frontier North |
| 812-266 | Vanderburgh | Evansville, IN | Bandwidth.com Clec |
| 812-267 | Harrison | Corydon, IN | New Cingular Wireless PCS - GA |
| 812-268 | Sullivan | Sullivan, IN | Frontier North |
| 812-269 | Monroe | Bloomington, IN | AT&T Local |
| 812-270 | Posey | New Harmony, IN | Cellco Partnership DBA Verizon Wireless |
| 812-271 | Jackson | Seymour, IN | Cmn-rus Inc. |
| 812-272 | Monroe | Bloomington, IN | New Cingular Wireless PCS - IL |
| 812-273 | Jefferson | Madison, IN | Frontier North |
| 812-274 | Jefferson | Madison, IN | Sprint Communications Company, L.p. |
| 812-275 | Lawrence | Bedford, IN | Ameritech Indiana |
| 812-276 | Lawrence | Bedford, IN | Ameritech Indiana |
| 812-277 | Lawrence | Bedford, IN | Ameritech Indiana |
| 812-278 | Lawrence | Bedford, IN | Ameritech Indiana |
| 812-279 | Lawrence | Bedford, IN | Ameritech Indiana |
| 812-280 | Clark | Jeffersonville, IN | Ameritech Indiana |
There are 744 prefixes, In the code area, the major cities are Bloomington, IN;Clarksville, IN;Columbus, IN;Evans. The major city is Evansville.