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Phone Directory 773-377 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-377 Chicago, IL Teleport Communications America Cook Landline 01/11/1997

Other Series For Prefixes

773-3770###
773-3771###
773-3772###
773-3773###
773-3774###
773-3775###
773-3776###
773-3777###
773-3778###
773-3779###