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Phone Directory 773-644 Detail

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Illinois Chicago Central

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Example: (773) 644-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-644 Chicago, IL Teleport Communications America Cook Landline 01/05/2011

Other Series For Prefixes

773-6440###
773-6441###
773-6442###
773-6443###
773-6444###
773-6445###
773-6446###
773-6447###
773-6448###
773-6449###