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Phone Directory 312-873 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 873-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-873 Chicago, IL Mci Worldcom Communications Cook Landline 01/25/1998

Other Series For Prefixes

312-8730###
312-8731###
312-8732###
312-8733###
312-8734###
312-8735###
312-8736###
312-8737###
312-8738###
312-8739###