District of Colorado area codes: 720 | |
---|---|
Country | United States |
State/Province | Colorado |
Major City | Denver |
Time Zone | Mountain |
Prefix | County | Primary City | Company |
---|---|---|---|
720-933 | Jefferson | Denver, CO | T-mobile Usa |
720-934 | Jefferson | Denver, CO | T-mobile Usa |
720-935 | Jefferson | Denver, CO | T-mobile Usa |
720-936 | Jefferson | Denver, CO | T-mobile Usa |
720-937 | Jefferson | Denver, CO | T-mobile Usa |
720-938 | Jefferson | Denver, CO | T-mobile Usa |
720-939 | Jefferson | Denver, CO | T-mobile Usa |
720-940 | Denver | Denver, CO | Sprint Spectrum L.p. |
720-941 | Denver | Denver, CO | Qwest Corporation |
720-942 | Denver | Denver, CO | Qwest Corporation |
720-943 | Jefferson | Denver, CO | Global Crossing Local Services-co |
720-944 | Denver | Denver, CO | Qwest Corporation |
720-945 | Denver | Denver, CO | Qwest Corporation |
720-946 | Denver | Denver, CO | Qwest Corporation |
720-947 | Denver | Denver, CO | Qwest Corporation |
720-949 | Jefferson | Aurora, CO | AT&T Local |
720-951 | Arapahoe | Aurora, CO | Cellco Partnership DBA Verizon Wireless |
720-956 | Denver | Denver, CO | Qwest Corporation |
720-961 | Jefferson | Denver, CO | Level 3 Communications |
720-962 | Jefferson | Denver, CO | Qwest Corporation |
There are 519 prefixes, In the code area, the major cities are Arvada, CO;Aurora, CO;Boulder, CO;Brighton, CO;Bro. The major city is Denver.