Phone prefix +1 (312) 305-XXXX

Phone prefix: +1312305

This prefix is distributed within the state Illinois

The largest city within this prefix is Northbrook, IL

District: Cook

The largest organization: Cellco Partnership DBA Verizon Wireless

Time Zone: Central

Winter time: UTC-6

Summer time: UTC-5

If you did not find the required prefix in the table, you can use the search by full phone number according to the recommendations on the corresponding page.