DialWhere

Area code

Area code 970 — Fort Collins, CO

Colorado · in service since April 2, 1995

Area code 970 covers parts of Colorado; the place with the most of its prefixes is Fort Collins. It is an overlay: 748 serves the same area, so neighbors can have different area codes.

Overlay, same area: 748

Local time in Fort Collins

Mountain Time ·

Spam reports from Sep 23 – Oct 22, 2026

High #39 of 461 codes

920 FTC complaints

Top subject: debt reduction · 78% robocalls

Consumer reports, not verified by the FTC.

See the reports

Spam call reports about 970 numbers

Complaints by week

Sep 11 – Oct 22, 2026
970, Sep 11 – Oct 22, 2026050100150200250Sep 7 (partial): 35 complaints35Sep 73 days218Sep 14226Sep 21216Sep 28192Oct 5192Oct 12Oct 19 (partial): 164 complaints164Oct 194 days
Show as table
Week startingComplaints
Sep 7 (3 days)35
Sep 14218
Sep 21226
Sep 28216
Oct 5192
Oct 12192
Oct 19 (4 days)164

Compared with all codes

Robocalls
78%all codes 75%
Callers with the same code
36%all codes 35%
Rank by complaints
#39of 461 · top tenth (most complaints)
FCC complaints, Oct 2025 – Sep 2026
36227 about text messages

What the calls were about

Sep 11 – Oct 22, 2026

SubjectComplaints
Reducing your debt (credit cards, mortgage, student loans)382 31%
Dropped call or no message137 11%
Calls pretending to be government, businesses, or family and friends104 8%
Medical & prescriptions45 4%
Warranties & protection plans38 3%
Home improvement & cleaning17 1%

Where the people who complained live

Sep 11 – Oct 22, 2026

StateComplaints
Colorado537 43%
California70 6%
Texas66 5%
Florida62 5%
New York39 3%

October 2026 (partial) report · most reported

Consumer reports, not verified by the FTC · source

Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).

Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.

Area code 970 location and prefixes

Prefixes assigned800537 in number pools
Exchange areas120Fort Collins holds 12%
Counties30Larimer County, Weld County, Mesa County, and others
Largest exchange areas
Exchange (NANPA)PlaceCountyPrefixes
FT COLLINSFort CollinsLarimer County96
GREELEYGreeleyWeld County62
GRAND JCTGrand JunctionMesa County57
LOVELANDLovelandLarimer County36
DURANGODurangoLa Plata County29
VAILVailEagle County24
GLENWD SPGGlenwood SpringsGarfield County21
MONTROSEMontroseMontrose County19
ASPENAspenPitkin County17
DILLONDillonSummit County17

Plus 110 smaller exchange areas.

Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).

Nearby area codes

Same area (overlay)

Nearest by exchange location

Other codes in Colorado

NANPA record

Location
Colorado
Assigned by NANPA
September 21, 1994
Created from
303
Local dialing
10 digits (NANPA: 10D)
NANPA planning letters
PL-625, PL-556, PL-544

Source: NANPA, NPA database of Oct 24, 2026.

Is 970 running out of numbers?

Forecast exhaust (April 2026)4Q 2088for 748/970 · in about 62 years

Previous forecast (October 2025): 2082, moved later by 6 years.

Forecast exhaust year by edition

97020252050207521002026Oct 20232026Apr 20242026Oct 20242026Apr 20252082Oct 20252088Apr 2026

Source: NANPA NRUF forecast, April 2026 edition.

Who holds 970 prefixes

The five largest of 61 original holders

As listed by NANPA, not today’s carrier.

Holder (as listed)Prefixes
Qwest Corporation189 24%
Onvoy, LLC99 12%
Verizon Wireless77 10%
T-Mobile USA, Inc.70 9%
New Cingular Wireless PCS, LLC54 7%

Source: NANPA CO codes of Oct 23, 2026.

Questions about area code 970

What area code is 970?

A Colorado area code, in service since April 2, 1995.

Where is 970 area code, and what time zone is it in?

Fort Collins, CO; Mountain Time.

Why am I getting spam calls from 970?

920 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).

Will 970 get a new area code?

NANPA forecasts exhaust in 4Q 2088; no relief planning listed.