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 8:05:00 PM on January 24, 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 |
|---|---|---|
| 720-500 | Denver, CO | Peerless Network Of Colorado, Llc - Co |
| 720-501 | Denver, CO | Metropcs, Inc. |
| 720-502 | Denver, CO | Comcast Ip Phone, Llc |
| 720-503 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-504 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-505 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-506 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-507 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-508 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-509 | Denver, CO | Xo Colorado, Llc |
| 720-510 | Denver, CO | Comcast Ip Phone, Llc |
| 720-511 | Colorado | |
| 720-512 | Denver, CO | Comcast Ip Phone, Llc |
| 720-513 | Denver, CO | Onvoy, Llc - Co |
| 720-514 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-515 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-516 | Denver, CO | Qwest Corporation |
| 720-517 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-518 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-519 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-520 | Denver, CO | Onvoy Spectrum, Llc |
| 720-521 | Denver, CO | American Messaging Services, Llc |
| 720-522 | Denver, CO | Xo Colorado, Llc |
| 720-523 | Denver, CO | Qwest Corporation |
| 720-524 | Denver, CO | Qwest Corporation |
| 720-525 | Denver, CO | Sprint Spectrum, L.p. |
| 720-526 | Longmont, CO | New Cingular Wireless Pcs, Llc |
| 720-527 | Denver, CO | Teliax, Inc. - Co |
| 720-528 | Denver, CO | Qwest Corporation |
| 720-529 | Denver, CO | Qwest Corporation |
| 720-530 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-531 | Denver, CO | Comcast Ip Phone, Llc |
| 720-532 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-533 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-534 | Longmont, CO | Vonage America Llc |
| 720-535 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-536 | Denver, CO | Qwest Corporation |
| 720-537 | Denver, CO | Fasttrack Communications, Inc. - Co |
| 720-538 | Fort Lupton, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-539 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-540 | Denver, CO | Qwest Corporation |
| 720-541 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-542 | Denver, CO | Qwest Corporation |
| 720-543 | Denver, CO | Peerless Network Of Colorado, Llc - Co |
| 720-544 | Denver, CO | Qwest Corporation |
| 720-545 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-546 | Denver, CO | T-mobile Usa, Inc. |
| 720-547 | Keenesburg, CO | Bandwidth.com Clec, Llc - Co |
| 720-548 | Denver, CO | Global Crossing Local Services, Inc. - Co |
| 720-549 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-550 | Denver, CO | Mcleodusa Telecommunication Services, Inc. - Co |
| 720-551 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-552 | Longmont, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-553 | Denver, CO | Qwest Corporation |
| 720-554 | Denver, CO | Qwest Corporation |
| 720-555 | Denver, CO | Qwest Corporation |
| 720-556 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-557 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-558 | Denver, CO | Qwest Corporation |
| 720-559 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-560 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-561 | Denver, CO | Qwest Corporation |
| 720-562 | Denver, CO | Qwest Corporation |
| 720-563 | Denver, CO | Qwest Corporation |
| 720-564 | Denver, CO | Qwest Corporation |
| 720-565 | Denver, CO | Qwest Corporation |
| 720-566 | Denver, CO | Qwest Corporation |
| 720-567 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-568 | Denver, CO | Qwest Corporation |
| 720-569 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-570 | Denver, CO | Qwest Corporation |
| 720-571 | Allenspark-lyons, CO | Onvoy, Llc - Co |
| 720-572 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-573 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-574 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-575 | Denver, CO | Onvoy, Llc - Co |
| 720-576 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-577 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-578 | Denver, CO | Qwest Corporation |
| 720-579 | Denver, CO | Xo Colorado, Llc |
| 720-580 | Keenesburg, CO | Bandwidth.com Clec, Llc - Co |
| 720-581 | Denver, CO | Sprint Spectrum, L.p. |
| 720-582 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-583 | Denver, CO | Onvoy, Llc - Co |
| 720-584 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-585 | Denver, CO | Commnet Wireless, Llc |
| 720-586 | Denver, CO | Metropcs, Inc. |
| 720-587 | Denver, CO | At&t - Local |
| 720-588 | Denver, CO | Nuso, Llc |
| 720-589 | Denver, CO | T-mobile Usa, Inc. |
| 720-590 | Denver, CO | Onvoy, Llc - Co |
| 720-591 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-592 | Denver, CO | T-mobile Usa, Inc. |
| 720-593 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-594 | Denver, CO | Airus, Inc. - Co |
| 720-595 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-596 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-597 | Longmont, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-598 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-599 | Denver, CO | Electric Lightwave Llc Dba Allstream |
January 24, 2025