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Phone Directory 773-276 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-276 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-2760###
773-2761###
773-2762###
773-2763###
773-2764###
773-2765###
773-2766###
773-2767###
773-2768###
773-2769###