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Phone Directory 773-274 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-274 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-2740###
773-2741###
773-2742###
773-2743###
773-2744###
773-2745###
773-2746###
773-2747###
773-2748###
773-2749###