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Phone Directory 773-973 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-973 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-9730###
773-9731###
773-9732###
773-9733###
773-9734###
773-9735###
773-9736###
773-9737###
773-9738###
773-9739###