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Phone Directory 773-947 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 947-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-947 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-9470###
773-9471###
773-9472###
773-9473###
773-9474###
773-9475###
773-9476###
773-9477###
773-9478###
773-9479###