| District of Indiana area codes: 812 | |
|---|---|
| Country | United States |
| State/Province | Indiana |
| Major City | Evansville |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 812-281 | Vigo | Terre Haute, IN | Big River Telephone Company |
| 812-282 | Clark | Jeffersonville, IN | Ameritech Indiana |
| 812-283 | Clark | Jeffersonville, IN | Ameritech Indiana |
| 812-284 | Clark | Jeffersonville, IN | Ameritech Indiana |
| 812-285 | Clark | Jeffersonville, IN | Ameritech Indiana |
| 812-286 | Clark | New Washington, IN | Sbc Internet Services |
| 812-287 | Monroe | Bloomington, IN | Sprint Spectrum L.p. |
| 812-288 | Clark | Jeffersonville, IN | Ameritech Indiana |
| 812-289 | Clark | New Washington, IN | Ameritech Indiana |
| 812-290 | Dearborn | Lawrenceburg, IN | Sprint Spectrum L.p. |
| 812-291 | Knox | Vincennes, IN | Sprint Spectrum L.p. |
| 812-292 | Jefferson | Madison, IN | Powertel Kentucky Licenses |
| 812-293 | Clark | New Washington, IN | Ameritech Indiana |
| 812-294 | Clark | Henryville, IN | Frontier North |
| 812-295 | Martin | Loogootee, IN | Frontier North |
| 812-296 | Martin | Loogootee, IN | New Cingular Wireless PCS - IL |
| 812-297 | Vanderburgh | Evansville, IN | Ymax Communications Corp. |
| 812-298 | Vigo | Terre Haute, IN | Frontier North |
| 812-299 | Vigo | Terre Haute, IN | Frontier North |
| 812-300 | Monroe | Ellettsville, IN | Comcast Phone Of Central 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.