406 Area Code

About Area Code 406

Area Code: 406
City: Billings
State: Montana
County: Cascade
Time Zone: America/Denver
Latitude / Longitude: 46.40531, -111.567485

Area code 406 is located in the United States and is used in the region around Billings, Montana. It currently serves approximately 6 cities across 1 states.

In this dataset, area code 406 covers parts of Montana. Major cities using this area code include Billings, Bozeman, Butte, Great Falls, Helena, and Missoula.

Cities in Area Code 406

Below is a list of cities that use area code 406 in this dataset:

• Billings
• Bozeman
• Butte
• Great Falls
• Helena
• Missoula

Counties / Regions Covered

Area code 406 covers the following counties or regions:

• Cascade
• Gallatin
• Lewis and Clark
• Missoula
• Silver Bow
• Yellowstone

Location and Coordinates

The approximate central location for area code 406 is near latitude 46.40531 and longitude -111.567485. Individual city coordinates vary within the area code's coverage:

• Billings, Montana (lat 45.78329, lng -108.50069)
• Bozeman, Montana (lat 45.67965, lng -111.03856)
• Butte, Montana (lat 46.00382, lng -112.53474)
• Great Falls, Montana (lat 47.50024, lng -111.30081)
• Helena, Montana (lat 46.59271, lng -112.03611)
• Missoula, Montana (lat 46.87215, lng -113.994)

Time Zone Information

Based on the underlying city data, area code 406 is used in the following time zone(s): America/Denver.

Related Area Code Pages

Explore related area code pages on Burning Compass:

• All area codes in Montana
• Area codes for the city of Billings
• Area codes in Cascade