Phone numbers in Deep River Center, Connecticut
Deep River Center has 12 phone prefixes in area codes 860, 959.
Biggest holders: T-Mobile (including Sprint), MCImetro (Verizon Business), AT&T (local phone). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 42%
- Local phone company 8%
- Internet / business phone carrier 50%
Every prefix in Deep River Center
Search the first six digits of a number in this list. If it's here, the number started in Deep River Center with the carrier shown. If it isn't, check the Connecticut page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 860-322 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 860-374 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 860-526 | AT&T (local phone) | Local phone company | – |
| 860-532 | Teleport Communications America | Internet / business phone carrier | – |
| 860-718 | Onvoy | Internet / business phone carrier | – |
| 860-790 | T-Mobile (including Sprint) | Mobile carrier | – |
| 860-879 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 860-938 | T-Mobile (including Sprint) | Mobile carrier | 2001 |
| 959-217 | T-Mobile (including Sprint) | Mobile carrier | 2020 |
| 959-231 | T-Mobile (including Sprint) | Mobile carrier | 2021 |
| 959-263 | T-Mobile (including Sprint) | Mobile carrier | 2024 |
| 959-759 | TON80 Communications | Internet / business phone carrier | 2022 |
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.