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Phone Directory 312-569 Detail

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Illinois Chicago Central

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Example: (312) 569-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-569 Chicago, IL Ameritech Illinois Cook Landline 10/31/2000

Other Series For Prefixes

312-5690###
312-5691###
312-5692###
312-5693###
312-5694###
312-5695###
312-5696###
312-5697###
312-5698###
312-5699###