North American Telephone Operator
North American
Telephone Operator

Phone prefix +1-406378

Phone prefix: +1406378
This prefix is distributed within the state Montana
The largest city within this prefix is Big Sandy, MT
District: Chouteau
The largest organization: Triangle Telephone Cooperative Assn.
Phone numbers of the state Montana
Time Zone: Mountain
Winter time: UTC-7
Summer time: UTC-6
The largest city within the prefix of +1-406378.... numbers is shown below Big Sandy, MT.

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