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Phone Directory 773-579 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 579-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-579 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-5790###
773-5791###
773-5792###
773-5793###
773-5794###
773-5795###
773-5796###
773-5797###
773-5798###
773-5799###