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