Colorado · Phone number directory

970 phone numbers & call reports

Received a call from a number starting with 970? Browse available reports below or look up the full number to check its complaint history.

Numbers with reports: 947
FTC complaints: 1,035
WhoseNum community reports: 0

Reports describe individual experiences, not a verdict on every 970 number. About our sources

Area code guide

970: Colorado

Area code 970 is a geographic telephone code assigned to Colorado. NANPA records its introduction on Apr 2, 1995. Its recorded overlay relationships connect it with 748. Overlay codes share all or part of a numbering region.

State / territory: Colorado
In service since: Apr 2, 1995
Predominant time zone: Mountain
Local dialing within 970: 10 digits
Active overlay partners: 748

Time zones and dialing patterns describe the numbering region. They do not establish a caller’s current time or location. Carrier dialing options can differ.

Rate centers in the 970 assignment data (93)

These are telephone rate-center labels from NANPA’s block assignments, not a list of every city or an exact coverage boundary.

Akron
Allison
Aspen
Basalt
Bayfield
Berthoud
Breckenrdg
Brush
Carbondale
Cedaredge
Collbran
Cortez
Craig
Crawford
Crestedbte
De Beque
Delta
Dillon
Dinosaur
Dolores
Dove Creek
Durango
Eagle
Eaton
Eckert
Eckley
Edwards
Estes Park
Fortmorgan
Fraser
Fruita
Ft Collins
Gilcrest
Glenwd Spg
Granby
Grand Jct
Grand Lake
Greeley
Gunnison
Gypsum
Hayden
Hillrose
Holyoke
Hotchkiss
Htslphrspg
Ignacio
Johnstmlkn
Julesburg
Kremmling
La Salle
Lake City
Lodore
Loveland
Mancos
Marvel
Maybell
Mccoy
Mead
Meeker
Mesa
Montrose
New Castle
Norwood
Oak Creek
Olathe
Otis
Ouray
Pagosa Spg
Palisade
Paonia
Parachute
Plattevl
Rangely
Rdftherlks
Ridgway
Rifle
Silt
Silverton
So Big Spg
So Laramie
So Sidney
Socheyenne
Somerset
Steambospg
Sterling
Telluride
Vail
Walden
Weldona
Windsor
Wray
Yampa
Yuma

Sources & retrieval dates

NANPA thousands-block assignments Retrieved Oct 18, 2026
NANPA area-code database field definitions Retrieved Oct 19, 2026
NANPA area-code database Retrieved Oct 19, 2026

Numbering facts are stored from the cited sources and updated when a new snapshot is imported. Regional context is separate from unverified call reports.

970 numbers with reports

Open a number to see its available reports and sources.

947 numbers

Ordered by available report and complaint counts. “Record updated” reflects a data update, not necessarily the date of a call.

Browse 970 phone prefixes

Explore exchanges with available reports in this area code.

Questions about 970 numbers

Where are 970 phone numbers from?

The 970 area code is associated with Colorado. This numbering information does not establish where a caller is currently located. Caller ID can be spoofed.

Is every call from 970 spam?

No. A shared prefix does not mean that the numbers belong to the same caller or that every call is unwanted. Reports and complaints are unverified. Check the full number and the details of the call before drawing a conclusion.

What if the number that called me is not listed?

This directory shows numbers with published WhoseNum reports or complaints in our available FTC snapshot. It is not a complete list of assigned numbers or all past calls. Use the lookup above to check an unlisted number and share your own experience from its number page.

What these reports cover

FTC counts come from our imported Do Not Call complaint snapshot, covering complaint filing dates from Sep 10, 2026 to Oct 15, 2026. This is a partial snapshot, not the FTC’s full complaint history. The snapshot is older than the expected update window. WhoseNum community counts include published reports submitted directly to this site. Neither source verifies who placed a call. Read the source and coverage notes.

970 phone numbers & call reports

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970: Colorado

970 numbers with reports

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970: Colorado

Browse 970 phone prefixes

Questions about 970 numbers

What these reports cover