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Phone Directory 773-434 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 434-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-434 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-4340###
773-4341###
773-4342###
773-4343###
773-4344###
773-4345###
773-4346###
773-4347###
773-4348###
773-4349###