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Phone Directory 312-526 Detail

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Illinois Chicago Central

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Example: (312) 526-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-526 Chicago, IL Ameritech Illinois Cook Landline 07/04/1995

Other Series For Prefixes

312-5260###
312-5261###
312-5262###
312-5263###
312-5264###
312-5265###
312-5266###
312-5267###
312-5268###
312-5269###