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Phone Directory 630-623 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
630-623 Oak Brook, IL Ameritech Illinois Dupage Landline 10/15/1996

Other Series For Prefixes

630-6230###
630-6231###
630-6232###
630-6233###
630-6234###
630-6235###
630-6236###
630-6237###
630-6238###
630-6239###