Phone prefix +1-231315
Phone prefix: +1231315
This prefix is distributed within the state Michigan
The largest city within this prefix is Muskegon, MI
District: Muskegon
The largest organization: Usa Mobility Wireless
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1-231315.... numbers is shown below
Muskegon, MI.