Where is Area Code 970?
Area code 970 is found in the US state of Colorado. Primarily servicing the city of Fort Collins (population: 181990), area code 970 covers 31 counties of Colorado.
Located in the Mountain time zone, area code 970 is on the same time as Phoenix, AZ.
Area code 970 was brought into effect on April 2, 1995. 970 was split from the parent 303 area code.
Counties in Area Code 970
- Archuleta,
- Delta,
- Dolores,
- Eagle,
- Garfield,
- Grand,
- Gunnison,
- Jackson,
- Kit Carson,
- La Plata,
- Larimer,
- Logan,
- Mesa,
- Moffat,
- Montezuma,
- Montrose,
- Morgan,
- Ouray,
- Phillips,
- Pitkin,
- Rio Blanco,
- Routt,
- San Miguel,
- Sedgwick,
- Summit,
- Washington,
- Weld,
- Yuma.
Most Populous Cities in Area Code 970
| City | County | City Population |
|---|---|---|
| Fort Collins | Larimer | 181,990 |
| Greeley | Weld | 105,823 |
| Grand Junction | Mesa | 103,803 |
| Loveland | Larimer | 85,749 |
| Durango | La Plata | 36,798 |
| Montrose | Montrose | 32,552 |
| Windsor | Weld | 21,545 |
| Sterling | Logan | 18,792 |
| Evans | Weld | 18,538 |
| Steamboat Springs | Routt | 16,928 |
| Fort Morgan | Morgan | 16,221 |
| Glenwood Springs | Garfield | 15,596 |
| Fruita | Mesa | 15,515 |
| Carbondale | Garfield | 15,318 |
| Cortez | Montezuma | 14,400 |
| Delta | Delta | 13,642 |
| Clifton | Mesa | 13,550 |
| Rifle | Garfield | 13,137 |
| Craig | Moffat | 12,363 |
| Johnstown | Weld | 11,781 |
| Pagosa Springs | Archuleta | 11,431 |
| Berthoud | Larimer | 10,674 |
| Avon | Eagle | 10,385 |
| Edwards | Eagle | 10,212 |
| Aspen | Pitkin | 10,007 |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.