Phone prefix +1 (815) 312-XXXX
Phone prefix: +1815312
This prefix is distributed within the state Illinois
The largest city within this prefix is Rockford, IL
District: Not defined
The largest organization: Ymax Communications Corp.
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
The largest city within the prefix of +1 (815) 312-XXXX numbers is shown below
Rockford, IL.