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Phone Directory 773-489 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 489-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-489 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-4890###
773-4891###
773-4892###
773-4893###
773-4894###
773-4895###
773-4896###
773-4897###
773-4898###
773-4899###