Area code 983 is in Colorado (CO), USA and some of the main locations it covers are Denver, Westminster, Boulder, etc. (jump to city list below).
In service since June 17, 2022, area code 983 is an overlay Numbering Plan Area, part of overlay complex 303/720/983 (overlaying NPAs cover the same area).
The current time for places served by area code 983 is 01:44:32 AM (Mountain Time Zone).
| NPANXX | Area served1 | Date2 |
|---|---|---|
| 983-200 | Longmont | 04/07/2023 |
| 983-222 | Roggen | 05/09/2023 |
| 983-888 | Denver | 06/02/2023 |
| 983-983 | Longmont | 03/29/2023 |
| City1 | County | Time2 |
|---|---|---|
| Allenspark | Boulder | M |
| Arvada | Jefferson | M |
| Aurora | Adams | M |
| Bailey | Park | M |
| Bennett | Adams | M |
| Black Hawk | Gilpin | M |
| Bond | Eagle | M |
| Boulder | Boulder | M |
| Brighton | Adams | M |
| Broomfield | Broomfield | M |
| Buffalo Creek | Jefferson | M |
| Byers | Arapahoe | M |
| Castle Rock | Douglas | M |
| Central City | Gilpin | M |
| Commerce City | Adams | M |
| Conifer | Jefferson | M |
| Dacono | Weld | M |
| Deer Trail | Arapahoe | M |
| Denver | Adams | M |
| Dumont | Clear Creek | M |
| Dupont | Adams | M |
| Eastlake | Adams | M |
| Elbert | El Paso | M |
| Eldorado Springs | Boulder | M |
| Elizabeth | Elbert | M |
| Empire | Clear Creek | M |
| Englewood | Arapahoe | M |
| Erie | Weld | M |
| Evergreen | Jefferson | M |
| Firestone | Weld | M |
| Fort Lupton | Weld | M |
| Franktown | Douglas | M |
| Frederick | Weld | M |
| Georgetown | Clear Creek | M |
| Golden | Jefferson | M |
| Grant | Park | M |
| Henderson | Adams | M |
| Hereford | Weld | M |
| Highlands Ranch | Douglas | M |
| Hudson | Weld | M |
| Hygiene | Boulder | M |
| Idaho Springs | Clear Creek | M |
| Idledale | Jefferson | M |
| Indian Hills | Jefferson | M |
| Jamestown | Boulder | M |
| Keenesburg | Weld | M |
| Kiowa | Elbert | M |
| Kittredge | Jefferson | M |
| Lafayette | Boulder | M |
| Lakewood | Jefferson | M |
| Larkspur | Douglas | M |
| Littleton | Arapahoe | M |
| Longmont | Boulder | M |
| Louisville | Boulder | M |
| Louviers | Douglas | M |
| Lyons | Boulder | M |
| Morrison | Jefferson | M |
| Nederland | Boulder | M |
| Niwot | Boulder | M |
| Parker | Douglas | M |
| Pine | Jefferson | M |
| Pinecliffe | Boulder | M |
| Roggen | Weld | M |
| Rollinsville | Gilpin | M |
| Sedalia | Douglas | M |
| Sedgwick | Sedgwick | M |
| Shawnee | Park | M |
| Silver Plume | Clear Creek | M |
| Strasburg | Adams | M |
| Thornton | Adams | M |
| Ward | Boulder | M |
| Watkins | Adams | M |
| Westminster | Adams | M |
| Wheat Ridge | Jefferson | M |