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Phone Directory 773-436 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 436-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-436 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-4360###
773-4361###
773-4362###
773-4363###
773-4364###
773-4365###
773-4366###
773-4367###
773-4368###
773-4369###