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Phone Directory 773-287 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 287-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-287 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-2870###
773-2871###
773-2872###
773-2873###
773-2874###
773-2875###
773-2876###
773-2877###
773-2878###
773-2879###