Phone prefix +1-231640
Phone prefix: +1231640
This prefix is distributed within the state Michigan
The largest city within this prefix is Lake Ann, MI
District: Benzie
The largest organization: New Cingular Wireless PCS - IL
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1-231640.... numbers is shown below
Lake Ann, MI.