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Phone Directory 773-424 Detail

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Illinois Chicago Central

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Example: (773) 424-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-424 Oak Brook, IL Teleport Communications America Dupage Landline 08/14/1998

Other Series For Prefixes

773-4240###
773-4241###
773-4242###
773-4243###
773-4244###
773-4245###
773-4246###
773-4247###
773-4248###
773-4249###