| District of Indiana area codes: 765 | |
|---|---|
| Country | United States |
| State/Province | Indiana |
| Major City | Indianapolis |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 765-720 | Putnam | Greencastle, IN | New Cingular Wireless PCS - IL |
| 765-721 | Putnam | Greencastle, IN | New Cingular Wireless PCS - IL |
| 765-722 | Delaware | Yorktown, IN | New Cingular Wireless PCS - IL |
| 765-723 | Montgomery | New Ross, IN | Communications Corp. Of Indiana |
| 765-724 | Madison | Alexandria, IN | Ameritech Indiana |
| 765-725 | Wayne | Fountain City, IN | New Cingular Wireless PCS - IL |
| 765-726 | Grant | Marion, IN | Level 3 Communications |
| 765-727 | Blackford | Montpelier, IN | Teleport Communications America |
| 765-728 | Blackford | Montpelier, IN | Ameritech Indiana |
| 765-729 | Delaware | Muncie, IN | Cellco Partnership DBA Verizon Wireless |
| 765-730 | Delaware | Muncie, IN | Cellco Partnership DBA Verizon Wireless |
| 765-732 | Union | West College Corner, IN | Frontier North |
| 765-733 | Grant | Marion, IN | Mcleodusa Telecommunications Services- In |
| 765-734 | Madison | Lapel, IN | Frontier North |
| 765-736 | Boone | Jamestown, IN | Level 3 Communications |
| 765-737 | Henry | Shirley, IN | Frontier North |
| 765-738 | Henry | Shirley, IN | Hancock Communications |
| 765-739 | Putnam | Russellville, IN | Frontier North |
| 765-740 | Shelby | Morristown, IN | Level 3 Communications |
| 765-741 | Delaware | Muncie, IN | Ameritech Indiana |
There are 613 prefixes, In the code area, the major cities are Anderson, IN;Kokomo, IN;Lafayette, IN;Marion, IN;M. The major city is Indianapolis.