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Phone Directory 773-304 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 304-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-304 Chicago, IL Allegiance Telecom Cook Landline 11/20/1998

Other Series For Prefixes

773-3040###
773-3041###
773-3042###
773-3043###
773-3044###
773-3045###
773-3046###
773-3047###
773-3048###
773-3049###