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Phone Directory 773-944 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 944-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-944 Chicago, IL Rcn Telecom Services Of Illinois Cook Landline 08/14/1998

Other Series For Prefixes

773-9440###
773-9441###
773-9442###
773-9443###
773-9444###
773-9445###
773-9446###
773-9447###
773-9448###
773-9449###