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Phone Directory 773-256 Detail

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Illinois Chicago Central

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Example: (773) 256-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-256 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-2560###
773-2561###
773-2562###
773-2563###
773-2564###
773-2565###
773-2566###
773-2567###
773-2568###
773-2569###