Below on the map, there is indicated the largest city in the telephone area +1-720-...-.... Colorado Denver.
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 |
+14540256458
do not answer, scam, pretending they are from microsoft and they want remote access to your computer to fix some bugs