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Phone Directory 773-660 Detail

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Illinois Chicago Central

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Example: (773) 660-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-660 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-6600###
773-6601###
773-6602###
773-6603###
773-6604###
773-6605###
773-6606###
773-6607###
773-6608###
773-6609###