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Phone Directory 312-878 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-878 Chicago, IL Peerless Network Of Illinois Cook Landline 02/04/2008

Other Series For Prefixes

312-8780###
312-8781###
312-8782###
312-8783###
312-8784###
312-8785###
312-8786###
312-8787###
312-8788###
312-8789###