North American Telephone Operator
North American
Telephone Operator

Phone prefix +1-630328

Phone prefix: +1630328
This prefix is distributed within the state Illinois
The largest city within this prefix is Oak Brook, IL
District: Du Page
The largest organization: Teleport Communications Group - Chicago
Phone numbers of the state Illinois
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
The largest city within the prefix of +1-630328.... numbers is shown below Oak Brook, IL.