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Phone Directory 312-822 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 822-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-822 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-8220###
312-8221###
312-8222###
312-8223###
312-8224###
312-8225###
312-8226###
312-8227###
312-8228###
312-8229###