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Phone Directory 773-645 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-645 Chicago, IL Ameritech Illinois Cook Landline 04/01/1997

Other Series For Prefixes

773-6450###
773-6451###
773-6452###
773-6453###
773-6454###
773-6455###
773-6456###
773-6457###
773-6458###
773-6459###