North American Telephone Operator
North American
Telephone Operator

Phone prefix +1-312531

Phone prefix: +1312531
This prefix is distributed within the state Illinois
The largest city within this prefix is Hinsdale, IL
District: Du Page
The largest organization: New Cingular Wireless PCS
Phone numbers of the state Illinois
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
The largest city within the prefix of +1-312531.... numbers is shown below Hinsdale, IL.