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Phone Directory 773-777 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-777 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-7770###
773-7771###
773-7772###
773-7773###
773-7774###
773-7775###
773-7776###
773-7777###
773-7778###
773-7779###