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 2:14:48 AM on January 3, 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 |
|---|---|---|
| 720-600 | Longmont, CO | Onvoy, Llc - Co |
| 720-601 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-602 | Denver, CO | Sprint Spectrum, L.p. |
| 720-603 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-604 | Strasburg, CO | Strasburg Tel. Co. |
| 720-605 | Denver, CO | Onvoy, Llc - Co |
| 720-606 | Fort Lupton, CO | New Cingular Wireless Pcs, Llc |
| 720-607 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-608 | Georgetown, CO | Bandwidth.com Clec, Llc - Co |
| 720-609 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-610 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-611 | Colorado | |
| 720-612 | Denver, CO | Sprint Spectrum, L.p. |
| 720-613 | Hudson, CO | Mcimetro Access Transmission Services Llc |
| 720-614 | Denver, CO | Airespring, Inc. |
| 720-615 | Keenesburg, CO | Bandwidth.com Clec, Llc - Co |
| 720-616 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-617 | Denver, CO | Mcleodusa Telecommunication Services, Inc. - Co |
| 720-618 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-619 | Georgetown, CO | Bandwidth.com Clec, Llc - Co |
| 720-620 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-621 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-622 | Denver, CO | Qwest Corporation |
| 720-623 | Denver, CO | Onvoy, Llc - Co |
| 720-624 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-625 | Denver, CO | Mcleodusa Telecommunication Services, Inc. - Co |
| 720-626 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-627 | Denver, CO | Qwest Corporation |
| 720-628 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-629 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-630 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-631 | Denver, CO | Mcimetro Access Transmission Services Llc |
| 720-632 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-633 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-634 | Denver, CO | Mcimetro Access Transmission Services Llc |
| 720-635 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-636 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-637 | Denver, CO | Onvoy, Llc - Co |
| 720-638 | Denver, CO | Comcast Ip Phone, Llc |
| 720-639 | Denver, CO | Onvoy, Llc - Co |
| 720-640 | Hudson, CO | Level 3 Communications, Llc - Co |
| 720-641 | Denver, CO | Sprint Spectrum, L.p. |
| 720-642 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-643 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-644 | Denver, CO | Mcleodusa Telecommunication Services, Inc. - Co |
| 720-645 | Denver, CO | T-mobile Usa, Inc. |
| 720-646 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-647 | Denver, CO | Onvoy, Llc - Co |
| 720-648 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-649 | Georgetown, CO | Bandwidth.com Clec, Llc - Co |
| 720-650 | Denver, CO | Onvoy, Llc - Co |
| 720-651 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-652 | Longmont, CO | Qwest Corporation |
| 720-653 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-654 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-655 | Denver, CO | T-mobile Usa, Inc. |
| 720-656 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-657 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-658 | Denver, CO | Telstar Communications Inc |
| 720-660 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-661 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-662 | Denver, CO | T-mobile Usa, Inc. |
| 720-663 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-664 | Allenspark-lyons, CO | Onvoy, Llc - Co |
| 720-665 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-666 | Denver, CO | Peerless Network Of Colorado, Llc - Co |
| 720-667 | Denver, CO | Comcast Ip Phone, Llc |
| 720-668 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-669 | Hudson, CO | Onvoy, Llc - Co |
| 720-670 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-671 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-672 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-673 | Denver, CO | Exiant Communications Llc |
| 720-674 | Denver, CO | Comcast Ip Phone, Llc |
| 720-675 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-676 | Denver, CO | Mcimetro Access Transmission Services Llc |
| 720-677 | Denver, CO | Onvoy, Llc - Co |
| 720-678 | Denver, CO | Csc Wireless, Llc |
| 720-679 | Georgetown, CO | Onvoy, Llc - Co |
| 720-680 | Longmont, CO | T-mobile Usa, Inc. |
| 720-681 | Denver, CO | Sprint Spectrum, L.p. |
| 720-682 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-683 | Fort Lupton, CO | Bandwidth.com Clec, Llc - Co |
| 720-684 | Longmont, CO | Level 3 Communications, Llc - Co |
| 720-685 | Denver, CO | Qwest Corporation |
| 720-686 | Denver, CO | Xo Colorado, Llc |
| 720-687 | Denver, CO | T-mobile Usa, Inc. |
| 720-688 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-689 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-690 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-691 | Denver, CO | T-mobile Usa, Inc. |
| 720-692 | Denver, CO | Metropcs, Inc. |
| 720-693 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-694 | Denver, CO | Sprint Spectrum, L.p. |
| 720-695 | Denver, CO | Mcimetro Access Transmission Services Llc |
| 720-696 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-697 | Denver, CO | Centurylink Communications, Llc |
| 720-698 | Longmont, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-699 | Denver, CO | Onvoy, Llc - Co |
| 720-700 | Colorado |
December 30, 2024