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Phone Directory 773-634 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-634 Chicago, IL Mci Worldcom Communications Cook Landline 08/14/1998

Other Series For Prefixes

773-6340###
773-6341###
773-6342###
773-6343###
773-6344###
773-6345###
773-6346###
773-6347###
773-6348###
773-6349###