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Phone Directory 773-723 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 723-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-723 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-7230###
773-7231###
773-7232###
773-7233###
773-7234###
773-7235###
773-7236###
773-7237###
773-7238###
773-7239###