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  5. Area Code 970

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.

Map of  with area code 970 highlighted

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 Time Zone
Fort Collins Larimer 181,990 MST
Greeley Weld 105,823 MST
Grand Junction Mesa 103,803 MST
Loveland Larimer 85,749 MST
Durango La Plata 36,798 MST
Montrose Montrose 32,552 MST
Windsor Weld 21,545 MST
Sterling Logan 18,792 MST
Evans Weld 18,538 MST
Steamboat Springs Routt 16,928 MST
Fort Morgan Morgan 16,221 MST
Glenwood Springs Garfield 15,596 MST
Fruita Mesa 15,515 MST
Carbondale Garfield 15,318 MST
Cortez Montezuma 14,400 MST
Delta Delta 13,642 MST
Clifton Mesa 13,550 MST
Rifle Garfield 13,137 MST
Craig Moffat 12,363 MST
Johnstown Weld 11,781 MST
Pagosa Springs Archuleta 11,431 MST
Berthoud Larimer 10,674 MST
Avon Eagle 10,385 MST
Edwards Eagle 10,212 MST
Aspen Pitkin 10,007 MST

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.

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This page was last modified on July 3, 2015.