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Phone Directory 773-635 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 635-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-635 Chicago, IL Global Crossing Local Services-il Cook Landline 01/11/1997

Other Series For Prefixes

773-6350###
773-6351###
773-6352###
773-6353###
773-6354###
773-6355###
773-6356###
773-6357###
773-6358###
773-6359###