What area code is Denver, CO?
| City | Denver, CO |
|---|---|
| State | Colorado |
| Area codes | 720, 303 and 983 |
| Time zone | Mountain Time |
| Phone prefixes | 1311 in our data |
Look up a Denver number
Denver’s area codes
| Area code | Also covers |
|---|---|
| 720 | Denver, Longmont, Fort Lupton and Georgetown |
| 303 | Denver, Aurora, Littleton and Longmont |
| 983 | Denver, Longmont, Fort Lupton and Strasburg |
Other places in area code 720
- Longmont, CO
- Fort Lupton, CO
- Georgetown, CO
- Lyons, CO
- Keenesburg, CO
- Hudson, CO
- Aurora, CO
- Littleton, CO
- Boulder, CO
- Highlands Ranch, CO
- Parker, CO
- Bennett, CO
- Brighton, CO
- Broomfield, CO
- Byers, CO
- Castle Rock, CO
- Strasburg, CO
Questions
- What is the area code for Denver, Colorado?
- Denver uses 3 area codes: 720, 303 and 983. 720 is the original or most common one, and newer numbers can be given 303 and 983.
- What time zone is Denver in?
- Denver is in Mountain Time.
- Do I need to dial the area code for a local call in Denver?
- Yes. Because Denver has more than one area code, local calls need all 10 digits: the area code plus the 7-digit number.
- How do I call Denver from another country?
- Dial your country’s exit code (011 from most places, 00 from Europe), then 1, then the area code and number: +1 720 XXX XXXX.