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720 Area Code Prefixes Directory

Choose a prefix to view phone numbers and related information

AT&T; Local
Carrier

Coverage Area
Counties: Boulder, Denver, Larimer,
Cities: Longmont, Denver, Lyons, Aurora

Mcleodusa Telecommunications Services- Co
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Eschelon Telecom Of Colorado
Carrier

Coverage Area
Counties: Denver,
Cities: Denver, Aurora

Cbeyond Communications
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Level 3 Communications
Carrier

Coverage Area
Counties: , Denver, Adams, Larimer
Cities: Aurora, Denver, Brighton, Lyons

Icg Telecom Group
Carrier

Coverage Area
Counties: , Denver, Boulder
Cities: Aurora, Denver, Longmont

Tw Telecom Of Colorado LLC
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Comcast Phone Of Colorado
Carrier

Coverage Area
Counties: Denver,
Cities: Denver, Aurora

Bandwidth.com Clec
Carrier

Coverage Area
Counties: , Denver, Clear Creek, Adams, Boulder, Weld
Cities: Aurora, Denver, Keenesburg, Idaho Springs, Brighton, Longmont, Fort Lupton

360networks (usa) Inc.
Carrier

Coverage Area
Counties: Denver, Boulder,
Cities: Denver, Longmont, Henderson

Mcimetro Access Transmission Services LLC
Carrier

Coverage Area
Counties: Denver, , Adams
Cities: Denver, Hudson, Brighton

Zippytech Incorporated
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Iloka DBA Newcloud Networks
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Ymax Communications Corp.
Carrier

Coverage Area
Cities: Deer Trail

Peerless Network Of Colorado
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Broadvox-clec
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Onvoy
Carrier

Coverage Area
Counties: Denver,
Cities: Denver, Sedalia

American Messaging (am)
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Global Crossing Local Services-co
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Commnet Wireless
Carrier

Coverage Area
Counties: Denver
Cities: Denver

365 Wireless
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Neutral Tandem-colorado
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Telstar Communications Inc
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Teliax
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Centurylink Communications LLC
Carrier

Coverage Area
Counties: Denver
Cities: Denver

Dishnet Wireline, L.l.c.
Carrier

Coverage Area
Counties: Denver
Cities: Denver

The 720 area code is located in Denver, Colorado including Longmont, Englewood and was originally put into service on January 1st 1970. Find whose number this is.

Recently Reported Numbers

(720) 770-8540Dangerous

vehicle services

(720) 907-8292Unknown

Fake health insurance scam call by criminals phoning from India This is a fake health insurance scam call by criminals phoning from India, trying to obtain your credit card number, Social Security number, and personal information. The scammer often begins the call by saying your name to try to gain your trust. It is easy to acquire huge phone database listings of millions of names associated

(720) 442-9747Unknown

Unwanted daily calls. Doesn’t leave a message. -Could be Sirius. Cancelled a few months ago and have been getting lots of mail from them

(720) 686-8663Unknown

Knowlan Dawson called me from this number. He said his ext is 1831 and he was giving me a health care quote.

(720) 640-4988Unknown

Continual calls all night/day, while I'm at work and and at home wakes me up in the night.

(720) 307-2020Dangerous

Robocaller... probably scam caller

(720) 446-4724Unknown

This robocall calls us at least once a day- no one is on the other line and it disconnects after 6-8 seconds. Any other time that we don't answer, there is no voicemail left. I called it back today and there was "on hold" music on the line and then a generic "leave a message after the beep" thing. Blocked.

(720) 943-5612Neutral

Recorded call for medicare health ins plans.

(720) 490-3545Unknown

Constantly calls

(720) 571-9192Unknown

Anybody getting calls from this number?

Recently Unidentified numbers

720 area code numbers that might be spam, scams or that people have reported as unidentified callers

720-744-2414Qwest Corporation
720-281-2756Cellco Partnership DBA Verizon Wireless
720-267-4797Qwest Corporation
720-696-7937UNKNOWN
720-129-2005UNKNOWN
720-179-2369UNKNOWN
720-296-3193Leap Wireless Intl DBA Cricket Comm
720-328-3129Comcast Phone Of Colorado
720-981-5411Qwest Corporation
720-852-2414Qwest Corporation
720-804-1239UNKNOWN
720-445-5836Cellco Partnership DBA Verizon Wireless
720-763-9032Leap Wireless Intl DBA Cricket Comm
720-306-5995Eschelon Telecom Of Colorado
720-862-8276Xo Colorado
720-677-7946UNKNOWN
720-980-4294Sprint Spectrum L.p.
720-145-7717UNKNOWN
720-375-1558Commnet Wireless

Most searched numbers

Cell
All TimeThis Month
720-437-7195First seen 2012-01-01720-926-7096First seen 2013-06-14
720-203-1528First seen 2019-09-03720-650-7323First seen 2015-01-08
720-580-1304First seen 2011-01-30720-221-9920First seen 2014-08-17
720-798-2702First seen 2010-10-17720-354-7456First seen 2010-04-21
720-284-5722First seen 2017-12-19720-977-9507First seen 2010-09-12
Landline
All TimeThis Month
720-885-7014First seen 2012-02-06720-769-1731First seen 2019-07-10
720-432-2554First seen 2019-04-04720-507-9769First seen 2010-01-14
720-530-9147First seen 2011-06-28720-247-1943First seen 2014-03-03
720-106-9916First seen 2019-12-02720-639-6323First seen 2019-08-28
720-238-7180First seen 2012-05-17720-187-7030First seen 2015-07-23

Cities With coverage

CITY LIST
Aurora
Brighton
Deer Trail
Denver
Englewood
Fort Lupton
Golden
Henderson
Hudson
Idaho Springs
Keenesburg
Littleton
Longmont
Lyons
Sedalia