Prefix Information

The prefix 001 is part of area code 406 serving Billings, Montana.

This exchange contains 10,000 possible phone numbers (406-001-0000 through 406-001-9999).

Browse Numbers in This Prefix

406-001-0000-0999 406-001-1000-1999 406-001-2000-2999 406-001-3000-3999 406-001-4000-4999 406-001-5000-5999 406-001-6000-6999 406-001-7000-7999 406-001-8000-8999 406-001-9000-9999

Sample Numbers

(406) 001-0000 (406) 001-1234 (406) 001-2000 (406) 001-3333 (406) 001-4444 (406) 001-5555 (406) 001-6000 (406) 001-7777 (406) 001-8888 (406) 001-9999