| District of Indiana area codes: 317 | |
|---|---|
| Country | United States |
| State/Province | Indiana |
| Major City | Indianapolis |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 317-992 | Marion | Indianapolis, IN | Metro PCS |
| 317-993 | Hamilton | Carmel, IN | Omnipoint Communications Midwest Operations LLC |
| 317-994 | Hendricks | Lizton, IN | Smithville Comm., Inc DBA Smithville Telephone Co. |
| 317-995 | Marion | Indianapolis, IN | Cellco Partnership DBA Verizon Wireless |
| 317-996 | Morgan | Monrovia, IN | Clay Country Rural Tel Coop DBA Endeavor Comm |
| 317-997 | Marion | Indianapolis, IN | New Cingular Wireless PCS - IL |
| 317-998 | Marion | Indianapolis, IN | Omnipoint Communications Midwest Operations LLC |
| 317-999 | Marion | Indianapolis, IN | E.com Technologies |
| 317-555 | Used in movie | Indianapolis, IN | Used in movie |
There are 729 prefixes, In the code area, the major cities are Carmel, IN;Fishers, IN;Greenwood, IN;Indianapolis,. The major city is Indianapolis.