Phone numbers in Berthoud, Colorado
Berthoud has 8 phone prefixes in area code 970.
Biggest holders: American Messaging Services, Level 3 (Lumen), Peerless Network Of Colorado. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 12%
- Internet / business phone carrier 62%
- Paging service 25%
Every prefix in Berthoud
Search the first six digits of a number in this list. If it's here, the number started in Berthoud with the carrier shown. If it isn't, check the Colorado page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 970-202 | American Messaging Services | Paging service | – |
| 970-344 | Level 3 (Lumen) | Internet / business phone carrier | 2004 |
| 970-528 | Peerless Network Of Colorado | Internet / business phone carrier | 2013 |
| 970-532 | CenturyLink / Lumen | Local phone company | – |
| 970-621 | American Messaging Services | Paging service | – |
| 970-670 | Allstream | Internet / business phone carrier | – |
| 970-746 | Comcast | Internet / business phone carrier | 2020 |
| 970-894 | Onvoy | Internet / business phone carrier | 2024 |
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.