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Phone Directory 773-921 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 921-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-921 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-9210###
773-9211###
773-9212###
773-9213###
773-9214###
773-9215###
773-9216###
773-9217###
773-9218###
773-9219###