Establish a local presence by purchasing a phone number in area code 406. Phone numbers in area code 406 are associated with the state of Montana. There are currently at least 6 U.S. cities and 246 U.S. ZIP Codes associated with this telephone area code. In addition, there are at least 800 NXX's (the three-digit code that makes up digits 4-6 of a standard 10-digit U.S. phone number) available for use along with area code 406.
Phone numbers in area code 406 are associated with the state of Montana.
There are currently at least 6 cities in Montana that are associated with the 406 area code: Billings, MT; Bozeman, MT; Butte, MT; Great Falls, MT; Helena, MT; and Missoula, MT.
There are at least 246 U.S. ZIP codes associated with the area code 406 at this time (view all here).
The ZIP Code of 59901 is the ZIP Code most frequently connected to the 406 area code. The 59901 ZIP Code is primarily associated with Flathead County in the state of Montana.
An NXX, which is also known as the a "central office code" or an "exchange", is the three-digit sequence that comprises digits 4-6 of a standard 10-digit U.S. phone number. The NXX is the second main part of a phone number that comes directly after the area code, e.g. (406)-638-xxxx.
Detailed information about phone numbers in area code 406. Establish a Montana presence with a 406 telephone number.