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970 Area Code

Area code 970 serves Fort Collins, Greeley, Loveland, Grand Junction, Windsor and nearby communities in Colorado. It has been in service since April 2, 1995, when it was split from 303.

StateColorado
Time zoneMountain
Local time now…
Prefixes in use786
Overlay with748
Projected to run out2088
Fort CollinsGreeleyLovelandGrand JunctionWindsorSecurity-WidefieldFountainEvansJohnstownMontroseFirestoneCliftonDurangoCimarron HillsFort CarsonBerthoudFruitaSteamboat SpringsSterlingWellingtonFort MorganSeveranceTimnathRifleEdwardsFort LuptonGlenwood SpringsDeltaGypsumMillikenCortezCraigRedlandsFruitvaleEagleMeadGunnisonCarbondaleOrchard MesaAspenAvonEatonEstes ParkSilverthorneBattlement MesaBrushBreckenridgeFort CollinsGrand JunctionSecurity-WidefieldEvansMontrose
Cities and towns served by area code 970

Who issues 970 numbers

Mobile 26%VoIP and cable 29%Landline 45%

Share of the 786 prefixes (the three digits after 970) assigned to each type of carrier. Classification by carrier name, approximate.

CarrierPrefixes
Lumen (Qwest)189
Onvoy (Sinch)103
Verizon Wireless77
T-Mobile70
AT&T Mobility54
Lumen (Level 3)47
Lumen (CenturyLink)29
Ton80 Communications22

Cities and towns in area code 970

CityPopulationOther area codes
Fort Collins171,500
Greeley115,073748
Loveland81,387
Grand Junction71,827
Windsor43,840
Security-Widefield38,659
Fountain29,450
Evans22,500
Johnstown22,433
Montrose21,583
Firestone20,129748
Clifton19,746
Durango19,733748
Cimarron Hills18,808
Fort Carson18,447
Berthoud14,080
Fruita14,003
Steamboat Springs13,557
Sterling13,054
Wellington12,169
Fort Morgan11,841
Severance11,841
Timnath11,600
Rifle10,844
Edwards10,415
Fort Lupton10,402
Glenwood Springs10,395
Delta9,802
Gypsum9,212
Milliken9,183748
Cortez9,126
Craig8,874
Redlands8,771
Fruitvale7,998
Eagle7,280748
Mead7,042748
Gunnison6,836
Carbondale6,762
Orchard Mesa6,597
Aspen6,489

Showing the 40 largest of 47 places with 5,000+ residents.

Got a call from 970?

A 970 number was originally issued in Colorado, but that does not prove the caller is there. 29% of 970 prefixes belong to VoIP and cable providers, whose numbers can be bought online and used from anywhere. Caller ID can also be spoofed, so treat urgent requests for money, codes or passwords from any area code with suspicion, and call back on a number you already know.

All 786 prefixes in area code 970

Format: (970) XXX-YYYY. Carrier is the company the block was originally assigned to; numbers may since have been ported to another carrier.

Questions about area code 970

Where is area code 970?
Area code 970 is in Colorado. It covers Fort Collins, Greeley, Loveland, Grand Junction, Windsor, Security-Widefield and 41 more cities and towns.
What time zone is area code 970?
Area code 970 is in the Mountain time zone.
Is 970 a toll-free number?
No. 970 is a geographic area code in Colorado. Toll-free numbers in the US start with 800, 833, 844, 855, 866, 877 or 888.
Why does 970 share its area with 748?
748 and 970 form an overlay: they cover the same territory, so new numbers there can get any of these codes, and local calls need all 10 digits.
Will area code 970 run out of numbers?
NANPA's latest forecast projects the 748/970 overlay to exhaust in the fourth quarter of 2088. Before that happens, a new area code is usually added as an overlay; existing numbers keep their code.

Other area codes in Colorado