Phone prefix +1-231690
Phone prefix: +1231690
This prefix is distributed within the state Michigan
The largest city within this prefix is Ludington, MI
District: Mason
The largest organization: Verizon Wireless (vaw)
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1-231690.... numbers is shown below
Ludington, MI.