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Area code 970

Area code 970 Fort Collins, Colorado

Area code 970 is in Colorado, with numbers assigned in Fort Collins, Greeley, Grand Junction and 98 more places. It’s 10:10 PM there now.

State
Colorado6 area codes in Colorado
Time zone
Mountain10:10 PM there now
Exchanges
786101 places
Overlay
748Same area, 10-digit dialing
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Where area code 970 is

Numbers in 970 are assigned to 101 places in 31 counties: Larimer County, Weld County, Mesa County, Eagle County, Garfield County, La Plata County, plus 25 more.

No single place dominates: Fort Collins, the largest, has 12% of the exchanges.

  • Fort Collins96
  • Greeley62
  • Grand Junction57
  • Loveland36
  • Durango29
  • Vail24
  • Glenwood Springs21
  • Montrose19
  • Aspen17
  • Dillon17
  • Steamboat Springs15
  • Sterling13
  • Craig11
  • Fort Morgan11
  • Cortez10
  • Windsor10
  • Fraser9
  • Berthoud8
  • Pagosa Springs8
  • Telluride7
  • Rangely6
  • Estes Park6
  • Basalt6
  • Fruita6

Phone companies in 970

786 blocks of numbers in 970 are held by 55 phone companies. The most belong to Lumen (CenturyLink) (218), Inteliquent (99) and T-Mobile (77).

A mix: about 27% wireless, 36% local phone and cable and 37% other carriers, including internet phone services.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

970 went into service in 1995, added to the area of 303.

748 (since 2025) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

103 new exchanges were assigned since 2021, the latest in October 2026.

Calling 970

It’s 10:10 PM Mountain time in 970 right now.

From elsewhere in the U.S., dial 1, 970 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Colorado has 6 area codes: 303, 719, 720, 748, 970 and 983.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 970 area code

Map of the 970 area code around Fort Collins, Greeley and Grand Junction, Colorado.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 970

Where is area code 970?

In Colorado, covering Fort Collins, Greeley and Grand Junction and other places across 31 counties.

What time zone is 970 in?

Mountain time. It was 10:10 PM there when this page loaded.

Is 970 an overlay?

Yes. 748 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 970 numbers?

55 companies hold blocks; the most belong to Lumen (CenturyLink), Inteliquent and T-Mobile. About 27% of blocks are wireless.

Is 970 running out of numbers?

Not on record. 103 new exchanges have been assigned since 2021.