Area Code 406

Area Code 406 information.

Area Code 406 Details
Country	United States
State/Province	Montana
Major City	Billings
Time Zone	Mountain (UTC-07:00)

Area Code 406 Prefixes

Prefix	County	Phone Type	Status
406-421	Custer	Landline	Active
406-422	Lewis And Clark	Landline	Active
406-423	Judith Basin	Landline	Active
406-424	Cascade	Landline	Active
406-425	Carbon	Cell Number	Active
406-426	Carbon	Cell Number	Active
406-427	Powder River	Landline	Active
406-428	Fergus	Landline	Active
406-429	Petroleum	Landline	Active
406-430	Lewis And Clark	Landline	Active
406-431	Lewis And Clark	Cell Number	Active
406-432	Toole	Landline	Active
406-433	Richland	Landline	Active
406-434	Toole	Landline	Active
406-435	Yellowstone	Landline	Active
406-436	Powder River	Landline	Active
406-437	Lewis And Clark	Landline	Active
406-438	Lewis And Clark	Cell Number	Active
406-439	Lewis And Clark	Cell Number	Active
406-440	Lewis And Clark	Landline	Active

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