District of Colorado area codes: 303 | |
---|---|
Country | United States |
State/Province | Colorado |
Major City | Denver |
Time Zone | Mountain (UTC-07:00) |
Prefix | County | Primary City | Company |
---|---|---|---|
303-281 | Denver | Denver, CO | Qwest Corporation |
303-282 | Denver | Denver, CO | Qwest Corporation |
303-283 | Arapahoe | Aurora, CO | Qwest Corporation |
303-284 | Jefferson | Denver, CO | Comcast Phone Of Colorado |
303-285 | Denver | Denver, CO | Icg Telecom Group |
303-286 | Denver | Denver, CO | Qwest Corporation |
303-287 | Denver | Denver, CO | Qwest Corporation |
303-288 | Denver | Denver, CO | Qwest Corporation |
303-289 | Denver | Denver, CO | Qwest Corporation |
303-290 | Denver | Denver, CO | Qwest Corporation |
303-291 | Denver | Denver, CO | Qwest Corporation |
303-292 | Denver | Denver, CO | Qwest Corporation |
303-293 | Denver | Denver, CO | Qwest Corporation |
303-294 | Denver | Denver, CO | Qwest Corporation |
303-295 | Denver | Denver, CO | Qwest Corporation |
303-296 | Denver | Denver, CO | Qwest Corporation |
303-297 | Denver | Denver, CO | Qwest Corporation |
303-298 | Denver | Denver, CO | Qwest Corporation |
303-299 | Denver | Denver, CO | Qwest Corporation |
303-300 | Denver | Denver, CO | Qwest Corporation |
There are 783 prefixes, In the code area, the major cities are Arvada, CO;Aurora, CO;Boulder, CO;Brighton, CO;Bro. The major city is Denver.