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Phone Directory 773-321 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-321 Chicago, IL Broadwing Communications Cook Landline 07/06/1997

Other Series For Prefixes

773-3210###
773-3211###
773-3212###
773-3213###
773-3214###
773-3215###
773-3216###
773-3217###
773-3218###
773-3219###