How many area codes are in Missouri?
Area codes in Missouri
Currently the state of Missouri has a total of 6 area codes. The area codes for MO are as follows:
Are there other differents area codes in Missouri?
No, there are currently only 6 area codes in the state of Missouri.
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 MO.
So if you need "How many area codes are in Missouri?" the answer is 6.