General Information about Area Code 303 | |
---|---|
Country | United States |
State / Province / Territory | Colorado |
Major City | Denver |
Time Zone | Mountain (UTC-07:00) |
Prefix | Primary City | County | Phone Type |
---|---|---|---|
303-422 | Denver | Denver | Landline |
303-842 | Denver | Denver | Wireless |
303-866 | Denver | Denver | Landline |
303-506 | Fort Lupton | Weld | Wireless |
303-953 | Denver | Denver | Landline |
303-730 | Denver | Denver | Landline |
303-308 | Denver | Denver | Landline |
303-805 | Denver | Denver | Landline |
303-554 | Denver | Denver | Landline |
303-620 | Denver | Denver | Landline |
303-589 | Denver | Denver | Wireless |
303-299 | Denver | Denver | Landline |
303-939 | Denver | Denver | Landline |
303-840 | Denver | Denver | Landline |
303-680 | Denver | Denver | Landline |
303-806 | Denver | Denver | Landline |
303-401 | Denver | Denver | Landline |
303-465 | Denver | Adams | Landline |
303-522 | Aurora | Arapahoe | Wireless |
303-881 | Denver | Denver | Wireless |