Learn more about this area code and exchange and where the caller may be located.
The phone exchange is the three digits after the area code and before the extension. An example is (406) 859-XXXX where 859 is the exchange number. It enables telephone line extensions to be interconnected in a local area based on a specific geographic assignment.
The (406) 859 exchange is located within the 406 area code in Missoula, MT. It connects landline numbers from the Blackfoot Telephone Cooperative carrier in Granite county. Associated zip codes include 59858.
Potentially, callers could keep their phone numbers even if they move away, so a caller may be located in Missoula, MT or elsewhere. You can use a reverse phone lookup to help find the registered address for a potential caller.