North American Telephone Operator
North American
Telephone Operator

Telephone Area 720. .

Phone numbers of the state Colorado
Prefix: +1720
This prefix is distributed within the state Colorado
The largest city in the region is Denver
Time Zone: Mountain
Winter time: UTC-7
Summer time: UTC-6
Below on the map, there is indicated the largest city in the telephone area +1-720-...-.... Colorado Denver.

In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.

The table below shows the main major cities and telecom operators.

If you notice any errors of any community’s location on the map, please report it via the feedback form.

Phone numbers +1-720-YYY-YYYY

Other pages: 23456
Company District Major City Prefix
Qwest CorporationDenverDenver, CO+1-720200-SSSS
New Cingular Wireless PCSDenverDenver, CO+1-720201-SSSS
Cellco Partnership DBA Verizon WirelessDenver, CO+1-720202-SSSS
Sprint Spectrum L.p.JeffersonDenver, CO+1-720203-SSSS
AT&T LocalBoulderLongmont, CO+1-720204-SSSS
Sprint Spectrum L.p.JeffersonDenver, CO+1-720205-SSSS
Xo ColoradoJeffersonDenver, CO+1-720206-SSSS
Xo ColoradoArapahoeEnglewood, CO+1-720207-SSSS
Xo ColoradoJeffersonDenver, CO+1-720208-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720209-SSSS
Xo ColoradoJeffersonDenver, CO+1-720210-SSSS
Xo ColoradoJeffersonDenver, CO+1-720212-SSSS
Mcleodusa Telecommunications Services- CoDenverDenver, CO+1-720213-SSSS
Mcleodusa Telecommunications Services- CoDenverDenver, CO+1-720214-SSSS
Cellco Partnership DBA Verizon WirelessJeffersonDenver, CO+1-720215-SSSS
Teleport Communications GroupArapahoeAurora, CO+1-720216-SSSS
T-mobile UsaJeffersonDenver, CO+1-720217-SSSS
Sprint Spectrum L.p.JeffersonDenver, CO+1-720218-SSSS
Cellco Partnership DBA Verizon WirelessJeffersonDenver, CO+1-720219-SSSS
T-mobile UsaJeffersonDenver, CO+1-720220-SSSS
Xo ColoradoJeffersonDenver, CO+1-720221-SSSS
Xo ColoradoArapahoeEnglewood, CO+1-720222-SSSS
Xo ColoradoAdamsBrighton, CO+1-720223-SSSS
Xo ColoradoJeffersonDenver, CO+1-720224-SSSS
Xo ColoradoJeffersonDenver, CO+1-720225-SSSS
Xo ColoradoJeffersonDenver, CO+1-720226-SSSS
Xo ColoradoJeffersonDenver, CO+1-720227-SSSS
Xo ColoradoJeffersonDenver, CO+1-720228-SSSS
Xo ColoradoJeffersonDenver, CO+1-720229-SSSS
Xo ColoradoAdamsBrighton, CO+1-720230-SSSS
T-mobile UsaJeffersonDenver, CO+1-720231-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720232-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720233-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720234-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720235-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720236-SSSS
New Cingular Wireless PCSAdamsDenver, CO+1-720237-SSSS
T-mobile UsaDenverDenver, CO+1-720238-SSSS
AT&T LocalDenverDenver, CO+1-720239-SSSS
Xo ColoradoJeffersonDenver, CO+1-720240-SSSS
Xo ColoradoJeffersonDenver, CO+1-720241-SSSS
Qwest CorporationDenver, CO+1-720242-SSSS
Leap Wireless Intl DBA Cricket CommDenver, CO+1-720243-SSSS
New Cingular Wireless PCSJeffersonDenver, CO+1-720244-SSSS
Xo ColoradoArapahoeEnglewood, CO+1-720246-SSSS
Xo ColoradoAdamsBrighton, CO+1-720247-SSSS
Cbeyond CommunicationsDenverDenver, CO+1-720248-SSSS
Xo ColoradoJeffersonDenver, CO+1-720249-SSSS
Xo ColoradoJeffersonDenver, CO+1-720250-SSSS
Level 3 CommunicationsArapahoeAurora, CO+1-720251-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720252-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720253-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720254-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720255-SSSS
Sprint Spectrum L.p.DenverDenver, CO+1-720256-SSSS
Xo ColoradoJeffersonDenver, CO+1-720257-SSSS
Teleport Communications GroupDenverDenver, CO+1-720258-SSSS
Level 3 CommunicationsJeffersonDenver, CO+1-720259-SSSS
Sprint Spectrum L.p.JeffersonDenver, CO+1-720260-SSSS
T-mobile UsaJeffersonDenver, CO+1-720261-SSSS
Icg Telecom GroupAdamsAurora, CO+1-720262-SSSS
Level 3 CommunicationsAdamsBrighton, CO+1-720263-SSSS
Qwest CorporationDenverDenver, CO+1-720264-SSSS
Xo ColoradoAdamsBrighton, CO+1-720265-SSSS
Level 3 CommunicationsJeffersonDenver, CO+1-720266-SSSS
Qwest CorporationJeffersonDenver, CO+1-720267-SSSS
Qwest CorporationJeffersonDenver, CO+1-720268-SSSS
Teleport Communications GroupArapahoeDenver, CO+1-720269-SSSS
Sprint Spectrum L.p.JeffersonDenver, CO+1-720270-SSSS
Sprint Spectrum L.p.JeffersonDenver, CO+1-720271-SSSS
New Cingular Wireless PCSJeffersonDenver, CO+1-720272-SSSS
New Cingular Wireless PCSJeffersonDenver, CO+1-720273-SSSS
Mcleodusa Telecommunications Services- CoDenverDenver, CO+1-720274-SSSS
Leap Wireless Intl DBA Cricket CommJeffersonDenver, CO+1-720275-SSSS
Leap Wireless Intl DBA Cricket CommJeffersonDenver, CO+1-720276-SSSS
Icg Telecom GroupDenverAurora, CO+1-720277-SSSS
Tw Telecom Of Colorado LLCArapahoeAurora, CO+1-720278-SSSS
Tw Telecom Of Colorado LLCArapahoeDenver, CO+1-720279-SSSS
T-mobile UsaJeffersonDenver, CO+1-720280-SSSS
Cellco Partnership DBA Verizon WirelessArapahoeAurora, CO+1-720281-SSSS

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