Telephone Area 720. Page 2.
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.
Phone numbers +1-720-YYY-YYYY
Company | District | Major City | Prefix |
---|---|---|---|
New Cingular Wireless PCS | Denver, CO | +1-720369-SSSS | |
Sprint Spectrum L.p. | Jefferson | Denver, CO | +1-720371-SSSS |
Sprint Spectrum L.p. | Jefferson | Denver, CO | +1-720373-SSSS |
Qwest Corporation | Denver | Denver, CO | +1-720374-SSSS |
Commnet Wireless | Denver, CO | +1-720375-SSSS | |
Allegiance Telecom Of Colorado | Denver | Denver, CO | +1-720377-SSSS |
New Cingular Wireless PCS | Longmont, CO | +1-720378-SSSS | |
Icg Telecom Group | Denver | Denver, CO | +1-720379-SSSS |
Comcast Phone Of Colorado | Jefferson | Denver, CO | +1-720381-SSSS |
Eschelon Telecom Of Colorado | Adams | Denver, CO | +1-720382-SSSS |
Cellco Partnership DBA Verizon Wireless | Fort Lupton, CO | +1-720383-SSSS | |
Xo Colorado | Adams | Denver, CO | +1-720384-SSSS |
Xo Colorado | Adams | Denver, CO | +1-720385-SSSS |
Cellco Partnership DBA Verizon Wireless | Aurora, CO | +1-720388-SSSS | |
Allegiance Telecom Of Colorado | Denver, CO | +1-720389-SSSS | |
Ymax Communications Corp. | Deer Trail, CO | +1-720392-SSSS | |
Tw Telecom Of Colorado LLC | Denver, CO | +1-720393-SSSS | |
T-mobile Usa | Jefferson | Denver, CO | +1-720394-SSSS |
AT&T Local | Denver, CO | +1-720395-SSSS | |
AT&T Local | Denver, CO | +1-720396-SSSS | |
AT&T Local | Denver, CO | +1-720397-SSSS | |
Leap Wireless Intl DBA Cricket Comm | Denver, CO | +1-720398-SSSS | |
Level 3 Communications | +1-720399-SSSS | ||
T-mobile Usa | Englewood, CO | +1-720400-SSSS | |
T-mobile Usa | Denver, CO | +1-720401-SSSS | |
Eschelon Telecom Of Colorado | +1-720402-SSSS | ||
Leap Wireless Intl DBA Cricket Comm | Jefferson | Denver, CO | +1-720404-SSSS |
Qwest Corporation | Jefferson | Denver, CO | +1-720406-SSSS |
Cbeyond Communications | Denver | Denver, CO | +1-720407-SSSS |
New Cingular Wireless PCS | Denver, CO | +1-720412-SSSS | |
Cellco Partnership DBA Verizon Wireless | Denver, CO | +1-720413-SSSS | |
+1-720414-SSSS | |||
Level 3 Communications | Denver, CO | +1-720420-SSSS | |
T-mobile Usa | Denver, CO | +1-720421-SSSS | |
Leap Wireless Intl DBA Cricket Comm | Jefferson | Denver, CO | +1-720422-SSSS |
Qwest Corporation | Jefferson | Denver, CO | +1-720423-SSSS |
Qwest Corporation | Jefferson | Denver, CO | +1-720424-SSSS |
Cellco Partnership DBA Verizon Wireless | Denver, CO | +1-720425-SSSS | |
Qwest Corporation | Denver, CO | +1-720426-SSSS | |
T-mobile Usa | Arapahoe | Aurora, CO | +1-720427-SSSS |
Leap Wireless Intl DBA Cricket Comm | Denver, CO | +1-720429-SSSS | |
New Cingular Wireless PCS | Denver, CO | +1-720431-SSSS | |
Bandwidth.com Clec | Denver, CO | +1-720432-SSSS | |
Mcleodusa Telecommunications Services- Co | Denver, CO | +1-720433-SSSS | |
Leap Wireless Intl DBA Cricket Comm | Denver | Denver, CO | +1-720434-SSSS |
Leap Wireless Intl DBA Cricket Comm | Arapahoe | Denver, CO | +1-720435-SSSS |
Leap Wireless Intl DBA Cricket Comm | Jefferson | Denver, CO | +1-720436-SSSS |
Cellco Partnership DBA Verizon Wireless | Denver, CO | +1-720437-SSSS | |
360networks (usa) Inc. | Longmont, CO | +1-720438-SSSS | |
Leap Wireless Intl DBA Cricket Comm | Denver, CO | +1-720439-SSSS | |
Leap Wireless Intl DBA Cricket Comm | Denver, CO | +1-720440-SSSS | |
Bandwidth.com Clec | +1-720441-SSSS | ||
Bandwidth.com Clec | +1-720442-SSSS | ||
Bandwidth.com Clec | Denver, CO | +1-720443-SSSS | |
Qwest Corporation | Denver | Denver, CO | +1-720444-SSSS |
Cellco Partnership DBA Verizon Wireless | Denver, CO | +1-720445-SSSS | |
Xo Colorado | Denver, CO | +1-720446-SSSS | |
Leap Wireless Intl DBA Cricket Comm | Denver, CO | +1-720447-SSSS | |
Leap Wireless Intl DBA Cricket Comm | Denver, CO | +1-720448-SSSS | |
Allegiance Telecom Of Colorado | Denver | Denver, CO | +1-720449-SSSS |
Peerless Network Of Colorado | Denver, CO | +1-720452-SSSS | |
Mcleodusa Telecommunications Services- Co | Denver, CO | +1-720454-SSSS | |
Qwest Corporation | Denver, CO | +1-720455-SSSS | |
Level 3 Communications | Denver, CO | +1-720457-SSSS | |
Tw Telecom Of Colorado LLC | Denver, CO | +1-720458-SSSS | |
Onvoy | Denver, CO | +1-720459-SSSS | |
+1-720462-SSSS | |||
Bandwidth.com Clec | Denver, CO | +1-720464-SSSS | |
New Cingular Wireless PCS | Fort Lupton, CO | +1-720466-SSSS | |
Level 3 Communications | Jefferson | Denver, CO | +1-720468-SSSS |
Cellco Partnership DBA Verizon Wireless | Jefferson | Denver, CO | +1-720470-SSSS |
Teleport Communications Group | Arapahoe | Denver, CO | +1-720472-SSSS |
Cbeyond Communications | Denver, CO | +1-720473-SSSS | |
Teleport Communications Group | Arapahoe | Denver, CO | +1-720475-SSSS |
Teleport Communications Group | Denver | Denver, CO | +1-720479-SSSS |
New Cingular Wireless PCS | Jefferson | Denver, CO | +1-720480-SSSS |
Qwest Corporation | Denver | Denver, CO | +1-720482-SSSS |
Qwest Corporation | Denver | Denver, CO | +1-720488-SSSS |
Qwest Corporation | Denver | Denver, CO | +1-720489-SSSS |
Nextel Communications | Jefferson | Denver, CO | +1-720490-SSSS |