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Phone Directory 773-381 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-381 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-3810###
773-3811###
773-3812###
773-3813###
773-3814###
773-3815###
773-3816###
773-3817###
773-3818###
773-3819###