Prefix Information

The prefix 172 is part of area code 406 serving Billings, Montana.

This exchange contains 10,000 possible phone numbers (406-172-0000 through 406-172-9999).

Browse Numbers in This Prefix

406-172-0000-0999 406-172-1000-1999 406-172-2000-2999 406-172-3000-3999 406-172-4000-4999 406-172-5000-5999 406-172-6000-6999 406-172-7000-7999 406-172-8000-8999 406-172-9000-9999

Sample Numbers

(406) 172-0000 (406) 172-1234 (406) 172-2000 (406) 172-3333 (406) 172-4444 (406) 172-5555 (406) 172-6000 (406) 172-7777 (406) 172-8888 (406) 172-9999