- City / exchange
- Missoula
- Province / state
- Montana
- Country
- United States
- Carrier
- Exiant Communications LLC
- Line type
- Landline or business line
- OCN
- 114J
- Status
- In Service
- Assigned
- 06/05/2026
- Number pooling
- Yes (block shared between carriers)
406-509 phone numbers
Missoula, Montana, United States · Exiant Communications LLC
Reported numbers in 406-509
No numbers in this block have been reported by visitors yet.
What does the 406-509 prefix tell you?
Every North American number is area code + prefix + line. The prefix 406-509 was assigned to Exiant Communications LLC on 06/05/2026 for the Missoula exchange. A call from this block usually originates from a Exiant Communications LLC customer in or near Missoula, but caller ID can be spoofed to show any number.
Other Missoula prefixes in 406
406-203406-207406-214406-215406-218406-239406-240406-241406-243406-251406-258406-273406-274406-303406-304406-317406-327406-329406-370406-396406-406406-481406-493406-510406-519406-523406-529406-531406-532406-540406-541406-542406-543406-544406-546406-549406-550406-552406-610406-618406-721406-728406-829406-830406-880406-926