Phone prefix +1-815520
Phone prefix: +1815520
This prefix is distributed within the state Illinois
The largest city within this prefix is Rockford, IL
District: Winnebago
The largest organization: Cellco Partnership DBA Verizon Wireless
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
The largest city within the prefix of +1-815520.... numbers is shown below
Rockford, IL.