Johnstown, CO Area Code
Johnstown, Colorado (population 22,433) uses area code 970.
Johnstown has no telephone exchange of its own in NANPA records; it is served by the Berthoud exchange about 5.2 km away.
Carriers with Johnstown numbers
8 prefixes are assigned to the Berthoud exchange: 0% mobile, 50% VoIP and cable, 50% landline.
| Carrier | Prefixes |
|---|---|
| American Messaging Services | 2 |
| Lumen (Level 3) | 1 |
| Peerless Network | 1 |
| Lumen (Qwest) | 1 |
| Allstream | 1 |
| Comcast (Xfinity) | 1 |
| Onvoy (Sinch) | 1 |
Area codes used in Johnstown
| Area code | Prefixes serving Johnstown | Main carriers in this code |
|---|---|---|
| 970 | 8 | Lumen (Qwest), Onvoy (Sinch), Verizon Wireless |
Johnstown phone number prefixes
Numbers starting with these first six digits were originally assigned to the Berthoud exchange.
970-202American Messaging Services970-344Lumen (Level 3)970-528Peerless Network970-532Lumen (Qwest)970-621American Messaging Services970-670Allstream970-746Comcast (Xfinity)970-894Onvoy (Sinch)
Nearby cities in area code 970
- Fort Collins
- Greeley
- Loveland
- Grand Junction
- Windsor
- Security-Widefield
- Fountain
- Evans
- Montrose
- Firestone
- Clifton
- Durango
Questions
- What is the area code for Johnstown, CO?
- The area code for Johnstown, Colorado is 970.
- What time zone is Johnstown in?
- Johnstown is in the Mountain time zone.