North American Telephone Operator
North American
Telephone Operator

Phone prefix +1-231399

Phone prefix: +1231399
This prefix is distributed within the state Michigan
The largest city within this prefix is Frankfort, MI
District: Benzie
The largest organization: Acd Telecom
Phone numbers of the state Michigan
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1-231399.... numbers is shown below Frankfort, MI.

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