Phone numbers in Rockville, Indiana
Rockville has 6 phone prefixes in area code 765.
Biggest holders: Level 3 (Lumen), AT&T (local phone), AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 17%
- Local phone company 50%
- Internet / business phone carrier 33%
Every prefix in Rockville
Search the first six digits of a number in this list. If it's here, the number started in Rockville with the carrier shown. If it isn't, check the Indiana page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 765-280 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 765-344 | AT&T (local phone) | Local phone company | – |
| 765-562 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 765-569 | AT&T (local phone) | Local phone company | – |
| 765-592 | AT&T Mobility | Mobile carrier | 2002 |
| 765-731 | Bloomingdale Home Telephone | Local phone company | 2016 |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.