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.
The 406 area code currently has at least 6 cities in Montana associated with it: 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 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.
There are 56 counties associated with the 406 area code: Yellowstone County; Rosebud County; Lewis and Clark; Missoula County; Cascade County; Gallatin County; Flathead County; Park County; Silver Bow County; Jefferson County; Valley County; Custer County; Sanders County; Hill County; Broadwater County; Mineral County; Pondera County; Lake County; Beaverhead County; Lincoln County; Sheridan County; Granite County; Stillwater County; Liberty County; Phillips County; Meagher County; Musselshell County; Toole County; Glacier County; Treasure County; Big Horn County; Dawson County; Ravalli County; Fergus County; Blaine County; Chouteau County; Powell County; Judith Basin; Carbon County; Powder River; Petroleum County; Richland County; Roosevelt County; Teton County; Wheatland County; Daniels County; McCone County; Prairie County; Sweet Grass County; Garfield County; Deer Lodge County; Golden Valley; Fallon County; Madison County; Carter County; Wibaux County.
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)-690-xxxx.
Detailed information about area code 406 phone numbers. Establish a Montana presence with a 406 number.