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Phone Directory 312-556 Detail

State Major City Time Zone
Illinois Chicago Central

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-556 Chicago, IL Ameritech Illinois Cook Cell Number 11/11/2003

Other Series For Prefixes

312-5560###
312-5561###
312-5562###
312-5563###
312-5564###
312-5565###
312-5566###
312-5567###
312-5568###
312-5569###