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Phone Directory 773-878 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 878-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-878 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-8780###
773-8781###
773-8782###
773-8783###
773-8784###
773-8785###
773-8786###
773-8787###
773-8788###
773-8789###