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Phone Directory 773-305 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 305-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-305 Chicago, IL Allegiance Telecom Cook Landline 11/20/1998

Other Series For Prefixes

773-3050###
773-3051###
773-3052###
773-3053###
773-3054###
773-3055###
773-3056###
773-3057###
773-3058###
773-3059###