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Phone Directory 773-442 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 442-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-442 Chicago, IL Mci Worldcom Communications Cook Landline 10/15/1996

Other Series For Prefixes

773-4420###
773-4421###
773-4422###
773-4423###
773-4424###
773-4425###
773-4426###
773-4427###
773-4428###
773-4429###