| District of Colorado area codes: 970 | |
|---|---|
| Country | United States |
| State/Province | Colorado |
| Major City | Ft Collins |
| Time Zone | Mountain |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 970-946 | La Plata | Durango, CO | Cellco Partnership DBA Verizon Wireless |
| 970-947 | Garfield | Glenwood Springs, CO | Qwest Corporation |
| 970-948 | Garfield | Glenwood Springs, CO | New Cingular Wireless PCS |
| 970-949 | Eagle | Vail, CO | Qwest Corporation |
| 970-962 | Larimer | Loveland, CO | Qwest Corporation |
| 970-963 | Garfield | Carbondale, CO | Qwest Corporation |
| 970-964 | Montrose | Montrose, CO | 360networks (usa) Inc. |
| 970-967 | Montezuma | Mancos, CO | Rico Telephone Co. |
| 970-968 | Summit | Breckenridge, CO | Qwest Corporation |
| 970-977 | Eagle | Vail, CO | Sprint Spectrum L.p. |
| 970-978 | Weld | Greeley, CO | Sprint Spectrum L.p. |
| 970-980 | Larimer | Ft Collins, CO | Sprint Spectrum L.p. |
| 970-984 | Garfield | New Castle, CO | Qwest Corporation |
| 970-985 | Mesa | Grand Jct, CO | Sprint Spectrum L.p. |
| 970-986 | Mesa | Grand Jct, CO | Sprint Spectrum L.p. |
| 970-987 | Garfield | Glenwood Springs, CO | Cellco Partnership DBA Verizon Wireless |
| 970-988 | Larimer | Ft Collins, CO | Sprint Spectrum L.p. |
| 970-989 | Garfield | Glenwood Springs, CO | Sprint Spectrum L.p. |
| 970-999 | Larimer | Ft Collins, CO | 360networks (usa) Inc. |
| 970-555 | Used in movie | Grand Jct, CO | Used in movie |
There are 600 prefixes, In the code area, the major cities are Fort Collins, CO;Grand Junction, CO;Greeley, CO;Lo. The major city is Ft Collins.