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Phone Directory 773-345 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 345-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-345 Chicago, IL Allegiance Telecom Cook Landline 11/20/1998

Other Series For Prefixes

773-3450###
773-3451###
773-3452###
773-3453###
773-3454###
773-3455###
773-3456###
773-3457###
773-3458###
773-3459###