Phone prefix +1-815541
Phone prefix: +1815541
This prefix is distributed within the state Illinois
The largest city within this prefix is Freeport, IL
District: Stephenson
The largest organization: United States Cellular Corp. - Illinois
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
The largest city within the prefix of +1-815541.... numbers is shown below
Freeport, IL.