Billings, Montana · MST/MDT (UTC-7) · United States
Entire state of Montana
Covers all of Montana. "Big Sky Country" — 4th largest state by area.
Area code 406 is located in Billings, Montana (United States). It covers Entire state of Montana.
Area code 406 (Billings, Montana) is in the MST/MDT time zone. Standard time is UTC-7 and UTC-6 during Daylight Saving Time.
Area code 406 is a legitimate NANPA-assigned code serving Billings, Montana. However, scammers can spoof any area code. If you receive an unexpected call from (406), verify the caller before sharing personal information.
Area code 406 follows MST/MDT (UTC-7). See the live clock at whattime.city/denver/ for the exact current time in Billings.
Area code 406 was introduced in 1947. Covers all of Montana. "Big Sky Country" — 4th largest state by area.