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Phone Directory 773-731 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 731-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-731 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-7310###
773-7311###
773-7312###
773-7313###
773-7314###
773-7315###
773-7316###
773-7317###
773-7318###
773-7319###