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 2:16:20 AM on December 22, 2024.
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 |
|---|---|---|
| 720-300 | Denver, CO | Sprint Spectrum, L.p. |
| 720-301 | Denver, CO | Sprint Spectrum, L.p. |
| 720-302 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-303 | Colorado | |
| 720-304 | Denver, CO | Qwest Corporation |
| 720-305 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-306 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-307 | Allenspark-lyons, CO | At&t - Local |
| 720-308 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-309 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-310 | Allenspark-lyons, CO | Teleport Communications America, Llc - Co |
| 720-311 | Colorado | |
| 720-312 | Denver, CO | Sprint Spectrum, L.p. |
| 720-313 | Denver, CO | Sprint Spectrum, L.p. |
| 720-314 | Denver, CO | Sprint Spectrum, L.p. |
| 720-315 | Denver, CO | Onvoy, Llc - Co |
| 720-316 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-317 | Denver, CO | Sprint Spectrum, L.p. |
| 720-318 | Denver, CO | Sprint Spectrum, L.p. |
| 720-319 | Denver, CO | Sprint Spectrum, L.p. |
| 720-320 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-321 | Denver, CO | Qwest Corporation |
| 720-322 | Denver, CO | Qwest Corporation |
| 720-323 | Denver, CO | T-mobile Usa, Inc. |
| 720-324 | Denver, CO | Comcast Ip Phone, Llc |
| 720-325 | Denver, CO | T-mobile Usa, Inc. |
| 720-326 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-327 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-328 | Denver, CO | Comcast Ip Phone, Llc |
| 720-329 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-330 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-331 | Denver, CO | Sprint Spectrum, L.p. |
| 720-332 | Denver, CO | Mcimetro Access Transmission Services Llc |
| 720-333 | Denver, CO | Sprint Spectrum, L.p. |
| 720-334 | Denver, CO | Sprint Spectrum, L.p. |
| 720-335 | Denver, CO | Sprint Spectrum, L.p. |
| 720-336 | Keenesburg, CO | Bandwidth.com Clec, Llc - Co |
| 720-337 | Denver, CO | Qwest Corporation |
| 720-338 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-339 | Denver, CO | Sprint Spectrum, L.p. |
| 720-340 | Longmont, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-341 | Denver, CO | T-mobile Usa, Inc. |
| 720-342 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-343 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-344 | Denver, CO | Qwest Corporation |
| 720-345 | Denver, CO | Zippytech Incorporated |
| 720-346 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-347 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-348 | Denver, CO | Qwest Corporation |
| 720-349 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-350 | Denver, CO | Sprint Spectrum, L.p. |
| 720-351 | Denver, CO | Sprint Spectrum, L.p. |
| 720-352 | Denver, CO | T-mobile Usa, Inc. |
| 720-353 | Denver, CO | Sprint Spectrum, L.p. |
| 720-354 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-355 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-356 | Denver, CO | At&t - Local |
| 720-357 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-358 | Hudson, CO | Mcimetro Access Transmission Services Llc |
| 720-359 | Denver, CO | Qwest Corporation |
| 720-360 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-361 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-362 | Denver, CO | Qwest Corporation |
| 720-363 | Denver, CO | Sprint Spectrum, L.p. |
| 720-364 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-365 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-366 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-367 | Denver, CO | Xo Colorado, Llc |
| 720-368 | Denver, CO | Xo Colorado, Llc |
| 720-369 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-370 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-371 | Denver, CO | Sprint Spectrum, L.p. |
| 720-372 | Denver, CO | T-mobile Usa, Inc. |
| 720-373 | Denver, CO | Sprint Spectrum, L.p. |
| 720-374 | Denver, CO | Qwest Corporation |
| 720-375 | Denver, CO | Commnet Wireless, Llc |
| 720-376 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-377 | Denver, CO | Xo Colorado, Llc |
| 720-378 | Longmont, CO | New Cingular Wireless Pcs, Llc |
| 720-379 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-380 | Denver, CO | Sprint Spectrum, L.p. |
| 720-381 | Denver, CO | Comcast Ip Phone, Llc |
| 720-382 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-383 | Fort Lupton, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-384 | Denver, CO | Xo Colorado, Llc |
| 720-385 | Denver, CO | Xo Colorado, Llc |
| 720-386 | Georgetown, CO | Bandwidth.com Clec, Llc - Co |
| 720-387 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-388 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-389 | Denver, CO | Xo Colorado, Llc |
| 720-390 | Denver, CO | Iloka, Inc. Dba Newcloud Networks - Co |
| 720-391 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-392 | Deer Trail, CO | Ymax Communications Corp. - Co |
| 720-393 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-394 | Denver, CO | T-mobile Usa, Inc. |
| 720-395 | Denver, CO | At&t - Local |
| 720-396 | Denver, CO | At&t - Local |
| 720-397 | Denver, CO | At&t - Local |
| 720-398 | Denver, CO | New Cingular Wireless Pcs, Llc |
| 720-399 | Denver, CO | Level 3 Communications, Llc - Co |
December 20, 2024