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 1:37:46 AM on February 5, 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 |
|---|---|---|
| 720-909 | Denver, CO | Bandwidth.com Clec, Llc - Co |
| 720-910 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-911 | Colorado | |
| 720-912 | Denver, CO | Onvoy, Llc - Co |
| 720-913 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-914 | Longmont, CO | Onvoy, Llc - Co |
| 720-917 | Denver, CO | Qwest Corporation |
| 720-919 | Denver, CO | T-mobile Usa, Inc. |
| 720-920 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-921 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-922 | Denver, CO | Qwest Corporation |
| 720-923 | Denver, CO | Advanced Telecom Solutions, Llc |
| 720-924 | Deckers, CO | Qwest Corporation |
| 720-925 | Denver, CO | Comcast Ip Phone, Llc |
| 720-926 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-927 | Longmont, CO | Bandwidth.com Clec, Llc - Co |
| 720-928 | Fort Lupton, CO | Bandwidth.com Clec, Llc - Co |
| 720-929 | Denver, CO | Qwest Corporation |
| 720-930 | Denver, CO | Rclec, Inc. - Co |
| 720-931 | Denver, CO | Qwest Corporation |
| 720-932 | Denver, CO | Qwest Corporation |
| 720-933 | Denver, CO | T-mobile Usa, Inc. |
| 720-934 | Denver, CO | T-mobile Usa, Inc. |
| 720-935 | Denver, CO | T-mobile Usa, Inc. |
| 720-936 | Denver, CO | T-mobile Usa, Inc. |
| 720-937 | Denver, CO | T-mobile Usa, Inc. |
| 720-938 | Denver, CO | T-mobile Usa, Inc. |
| 720-939 | Denver, CO | T-mobile Usa, Inc. |
| 720-940 | Denver, CO | Sprint Spectrum, L.p. |
| 720-941 | Denver, CO | Qwest Corporation |
| 720-942 | Denver, CO | Qwest Corporation |
| 720-943 | Denver, CO | Global Crossing Local Services, Inc. - Co |
| 720-944 | Denver, CO | Qwest Corporation |
| 720-945 | Denver, CO | Qwest Corporation |
| 720-946 | Denver, CO | Qwest Corporation |
| 720-947 | Denver, CO | Qwest Corporation |
| 720-949 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-950 | Colorado | |
| 720-951 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-955 | Denver, CO | Cellco Partnership Dba Verizon Wireless - Co |
| 720-956 | Denver, CO | Qwest Corporation |
| 720-957 | Denver, CO | T-mobile Usa, Inc. |
| 720-958 | Colorado | |
| 720-959 | Colorado | |
| 720-961 | Denver, CO | Level 3 Communications, Llc - Co |
| 720-962 | Denver, CO | Qwest Corporation |
| 720-963 | Denver, CO | Qwest Corporation |
| 720-965 | Denver, CO | T-mobile Usa, Inc. |
| 720-966 | Fort Lupton, CO | New Cingular Wireless Pcs, Llc |
| 720-970 | Colorado | |
| 720-971 | Denver, CO | Sprint Spectrum, L.p. |
| 720-972 | Denver, CO | Qwest Corporation |
| 720-974 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-975 | Denver, CO | Electric Lightwave Llc Dba Allstream |
| 720-976 | Colorado | |
| 720-977 | Denver, CO | Qwest Corporation |
| 720-979 | Denver, CO | Sprint Spectrum, L.p. |
| 720-980 | Denver, CO | Sprint Spectrum, L.p. |
| 720-981 | Denver, CO | Qwest Corporation |
| 720-982 | Denver, CO | Sprint Spectrum, L.p. |
| 720-983 | Colorado | |
| 720-984 | Denver, CO | Sprint Spectrum, L.p. |
| 720-985 | Denver, CO | Sprint Spectrum, L.p. |
| 720-987 | Denver, CO | Sprint Spectrum, L.p. |
| 720-988 | Denver, CO | Sprint Spectrum, L.p. |
| 720-989 | Denver, CO | Sprint Spectrum, L.p. |
| 720-990 | Denver, CO | Level 3 Telecom Of Colorado, Llc - Co |
| 720-992 | Denver, CO | Teleport Communications America, Llc - Co |
| 720-996 | Denver, CO | Commio, Llc |
| 720-997 | Bennett, CO | Comcast Ip Phone, Llc |
| 720-998 | Denver, CO | Comcast Ip Phone, Llc |
| 720-999 | Denver, CO | T-mobile Usa, Inc. |
February 4, 2025