Every US area code, explainedUnited States · +1
Area Code Contact ES
Menu
AREA CODE · COLORADO

Area code 970

Area code 970 covers Fort Collins, Colorado. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Colorado Major City: Fort Collins Mountain Time (MT) Overlay: 748/970
01 / WHERE IT IS

Where is area code 970?

Area code 970 is assigned to Fort Collins and the surrounding region in Colorado. Calls to numbers that start with 970 are routed to this area.

Area code 970 shares its territory with 748. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Larimer CountyWeld CountyMesa CountyLa Plata CountyGarfield CountyEagle CountyMontrose CountyRoutt CountyGrand CountyPitkin CountySummit CountyMorgan CountyMontezuma CountyLogan CountyMoffat County

Line types

  • Mobile 31.08%
  • Landline 68.92%
02 / MAP

Area code 970 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

Loading…

© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Fort Collins

This area code is in the Mountain Time (MT) time zone.

Local timeFort Collins, CO--:--:--

Loading…

America/DenverLive
04 / HOW TO DIAL

How to call Fort Collins

WITHIN THE US970 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 970 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 970 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 970 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 970 555 0123
🇦🇺Australia0011 1 970 555 0123
🇯🇵Japan010 1 970 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 970

Share of the number blocks by carrier and line type.

Landline

Lumen Technologies
50%
Sinch
16%
CoreTel Communications
4%
Bandwidth
3%
Infobip
3%
Others
24%

Mobile

Verizon Wireless
32%
T-MOBILE USA
29%
AT&T Mobility
23%
Union Telephone
7%
N.E. COLORADO CELLULAR
3%
Others
6%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 970

769 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(970) 200 Landline Grand Junction BandwidthBANDWIDTH.COM CLEC, LLC - CO
(970) 201 Mobile Grand Junction T-MOBILE USAT-MOBILE USA, INC.
(970) 202 Mobile Berthoud USA MobilityAMERICAN MESSAGING SERVICES, LLC
(970) 203 Landline Loveland Lumen TechnologiesQWEST CORPORATION
(970) 204 Landline Fort Collins Lumen TechnologiesQWEST CORPORATION
(970) 205 Landline Aspen Lumen TechnologiesQWEST CORPORATION
(970) 206 Landline Fort Collins Lumen TechnologiesQWEST CORPORATION
(970) 207 Landline Fort Collins Lumen TechnologiesQWEST CORPORATION
(970) 208 Mobile Grand Junction AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC
(970) 209 Mobile Montrose AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC

Showing 10 of 769 prefixes

07 / FAQ

Frequently asked questions about area code 970

Where is area code 970 used?
Area code 970 serves Fort Collins and the surrounding area in Colorado, including Larimer County, Weld County, Mesa County, La Plata County, Garfield County.
What city is area code 970 from?
The main city of area code 970 is Fort Collins, CO.
What time zone is area code 970 in?
Area code 970 is in the Mountain Time (MT) time zone (America/Denver).
Is 970 an overlay area code?
Yes. It shares its territory with 748. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 970 from the United States?
Dial the 10 digits: 970 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 970 number from another country?
Dial your country's exit code (or +), then 1, then 970 and the seven-digit number. From a mobile you can use +1 970 XXX XXXX.
Which carriers use area code 970?
Most landline blocks belong to Lumen Technologies and most mobile blocks to Verizon Wireless. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 970 for landlines, mobiles or both?
Both. About 68.92% of the number blocks are landline, 31.08% mobile.
How do I save a 970 number in WhatsApp or my phone?
Save it in international format: +1 970 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 970?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

307Cheyenne, WY505Albuquerque, NM435St George, UT385Salt Lake City, UT801Salt Lake City, UT308Grand Island, NE

Other area codes in Colorado

303 · Denver719 · Colorado Springs-Main720 · Denver983 · Denver

View all Colorado area codes →