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Phone Directory 773-365 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-365 Chicago, IL Allegiance Telecom Cook Landline 02/27/1999

Other Series For Prefixes

773-3650###
773-3651###
773-3652###
773-3653###
773-3654###
773-3655###
773-3656###
773-3657###
773-3658###
773-3659###