There are 772 phone number prefixes within area code 720. Additionally, there are more than 9,600 phone numbers in this area code that have received at least one user report. The location of calls from area code 720 is Colorado, USA. Most numbers in this area code are in US Mountain time, where the time is currently 2:43:46 AM on January 25, 2025.
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.
| Prefix | City / State | Primary Telco |
|---|---|---|
| 720-701 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-702 | Keenesburg, CO | Onvoy, Llc - Co |
| 720-703 | Denver, CO | Nuso, Llc |
| 720-704 | Denver, CO | Sprint Spectrum, L.p. |
| 720-705 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-706 | Denver, CO | Onvoy, Llc - Co |
| 720-707 | Denver, CO | Onvoy, Llc - Co |
| 720-708 | Denver, CO | Teliax, Inc. - Co |
| 720-709 | Denver, CO | Mcleodusa Telecommunication Services, Inc. - Co |
| 720-710 | Denver, CO | Onvoy, Llc - Co |
| 720-711 | Colorado | |
| 720-712 | Fort Lupton, CO | Bandwidth.com Clec, Llc - Co |
| 720-713 | Longmont, CO | Onvoy, Llc - Co |
| 720-714 | Longmont, CO | Onvoy, Llc - Co |
| 720-715 | Deckers, CO | Bandwidth.com Clec, Llc - Co |
| 720-716 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-717 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-718 | Longmont, CO | Qwest Corporation |
| 720-719 | Colorado | |
| 720-720 | Colorado | |
| 720-721 | Denver, CO | The Voice Application Network, Llc |
| 720-722 | Denver, CO | Centurylink Communications, Llc |
| 720-723 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-724 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-725 | Denver, CO | T-mobile Usa, Inc. |
| 720-726 | Denver, CO | Comcast Ip Phone, Llc |
| 720-727 | Longmont, CO | Bandwidth.com Clec, Llc - Co |
| 720-728 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-729 | Keenesburg, CO | Bandwidth.com Clec, Llc - Co |
| 720-730 | Denver, CO | Onvoy, Llc - Co |
| 720-731 | Longmont, CO | Level 3 Communications, Llc - Co |
| 720-732 | Denver, CO | Sprint Spectrum, L.p. |
| 720-733 | Denver, CO | Qwest Corporation |
| 720-734 | Denver, CO | Commnet Wireless, Llc |
| 720-735 | Keenesburg, CO | Onvoy, Llc - Co |
| 720-736 | Denver, CO | Onvoy, Llc - Co |
| 720-737 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-738 | Denver, CO | Onvoy, Llc - Co |
| 720-739 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-740 | Deckers, CO | Hd Carrier Llc |
| 720-741 | Georgetown, CO | Onvoy, Llc - Co |
| 720-742 | Denver, CO | T-mobile Usa, Inc. |
| 720-743 | Longmont, CO | Bandwidth.com Clec, Llc - Co |
| 720-744 | Denver, CO | Qwest Corporation |
| 720-745 | Longmont, CO | Level 3 Communications, Llc - Co |
| 720-746 | Denver, CO | Qwest Corporation |
| 720-747 | Denver, CO | Qwest Corporation |
| 720-748 | Denver, CO | Qwest Corporation |
| 720-749 | Denver, CO | Peerless Network Of Colorado, Llc - Co |
| 720-750 | Denver, CO | Sprint Spectrum, L.p. |
| 720-751 | Denver, CO | T-mobile Usa, Inc. |
| 720-752 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-753 | Fort Lupton, CO | New Cingular Wireless Pcs, Llc |
| 720-754 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-755 | Denver, CO | T-mobile Usa, Inc. |
| 720-756 | Denver, CO | T-mobile Usa, Inc. |
| 720-757 | Denver, CO | T-mobile Usa, Inc. |
| 720-758 | Denver, CO | Centurylink Communications, Llc |
| 720-759 | Longmont, CO | Pacoptic Networks, Llc - Co |
| 720-760 | Denver, CO | Twilio International, Inc. |
| 720-761 | Denver, CO | Jive Communications, Inc. |
| 720-762 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-763 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-764 | Hudson, CO | Onvoy, Llc - Co |
| 720-765 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-766 | Denver, CO | Fractel, Llc |
| 720-767 | Denver, CO | T-mobile Usa, Inc. |
| 720-768 | Denver, CO | Commio, Llc |
| 720-769 | Denver, CO | Vonage America Llc |
| 720-770 | Deckers, CO | Bandwidth.com Clec, Llc - Co |
| 720-771 | Denver, CO | T-mobile Usa, Inc. |
| 720-772 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-773 | Denver, CO | Mcimetro Access Transmission Services Llc |
| 720-774 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-775 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-776 | Deckers, CO | Peerless Network Of Colorado, Llc - Co |
| 720-777 | Denver, CO | Qwest Corporation |
| 720-778 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-779 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-780 | Denver, CO | Onvoy, Llc - Co |
| 720-781 | Longmont, CO | T-mobile Usa, Inc. |
| 720-782 | Hudson, CO | At&t - Local |
| 720-784 | Georgetown, CO | Onvoy, Llc - Co |
| 720-785 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-787 | Denver, CO | Pacoptic Networks, Llc - Co |
| 720-788 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-789 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-790 | Allenspark-lyons, CO | Onvoy, Llc - Co |
| 720-791 | Georgetown, CO | Telnyx Llc |
| 720-792 | Denver, CO | Onvoy, Llc - Co |
| 720-793 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-794 | Allenspark-lyons, CO | Onvoy, Llc - Co |
| 720-795 | Denver, CO | Centurylink Communications, Llc |
| 720-796 | Georgetown, CO | Nuso, Llc |
| 720-797 | Keenesburg, CO | Bandwidth.com Clec, Llc - Co |
| 720-798 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-799 | Denver, CO | Onvoy, Llc - Co |
| 720-800 | Denver, CO | Onvoy, Llc - Co |
| 720-802 | Fort Lupton, CO | Onvoy, Llc - Co |
| 720-803 | Denver, CO | T-mobile Usa, Inc. |
January 24, 2025