406 Area Code

Billings, MT and 85 other locations · United States

Country code +1 · ISO US

Area Code

406

Country

Calling Code

Timezone

America/Denver

Example 406 Number

A sample number from this area code, formatted three ways.

National	International	E.164
(406) 555-0123	+1 406-555-0123	+14065550123

Pre-filled with a 406 sample number. Edit it and click "Try It" to see the parsed result.

Google's libphonenumber lists these locations for the 406 area code.

Dial +1 followed by the national number, dropping any leading 1.

Dial 1 before the local number to make a domestic call.

Dial 011 followed by the destination country code and number.

└ The 406 area code covers Billings, MT in United States.

└ Numbers in the 406 area code are in the America/Denver timezone.

└ From abroad, dial +1 406 followed by the local number. Within United States, dial 1406 before the local number.