How many area codes are in Colorado?
Area codes in Colorado
Currently the state of Colorado has a total of 4 area codes. The area codes for CO are as follows:
Are there other differents area codes in Colorado?
No, there are currently only 4 area codes in the state of Colorado.
However, it is possible that a greater number may exist in the event that certain regions increase the number of existing telephone numbers and new ones may have to be included to service new telephones that may appear in this region of CO.
So if you need "How many area codes are in Colorado?" the answer is 4.