| District of Colorado area codes: 970 | |
|---|---|
| Country | United States |
| State/Province | Colorado |
| Major City | Ft Collins |
| Time Zone | Mountain |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 970-386 | Washington | Woodrow, CO | Eastern Slope Rural Telephone Association |
| 970-387 | Hinsdale | Lake City, CO | Qwest Corporation |
| 970-388 | Weld | Windsor, CO | Leap Wireless Intl DBA Cricket Comm |
| 970-389 | Summit | Dillon, CO | New Cingular Wireless PCS |
| 970-390 | Eagle | Vail, CO | New Cingular Wireless PCS |
| 970-391 | Larimer | Ft Collins, CO | Sprint Spectrum L.p. |
| 970-392 | Weld | Greeley, CO | Qwest Corporation |
| 970-393 | Eagle | Vail, CO | T-mobile Usa |
| 970-394 | Montezuma | Dolores, CO | New Cingular Wireless PCS |
| 970-395 | Weld | Greeley, CO | Qwest Corporation |
| 970-396 | Weld | Greeley, CO | New Cingular Wireless PCS |
| 970-397 | Weld | Greeley, CO | Cellco Partnership DBA Verizon Wireless |
| 970-398 | Archuleta | Pagosa Springs, CO | New Cingular Wireless PCS |
| 970-399 | Delta | Delta, CO | Fasttrack Communications |
| 970-401 | Eagle | Vail, CO | Cellco Partnership DBA Verizon Wireless |
| 970-402 | Larimer | Ft Collins, CO | T-mobile Usa |
| 970-403 | La Plata | Durango, CO | Zippytech Incorporated |
| 970-404 | Garfield | Glenwood Springs, CO | T-mobile Usa |
| 970-405 | Weld | Greeley, CO | T-mobile Usa |
| 970-406 | Summit | Dillon, CO | Cellco Partnership DBA Verizon Wireless |
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.