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Phone Directory 312-694 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 694-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-694 Chicago, IL Ameritech Illinois Cook Landline 10/31/2000

Other Series For Prefixes

312-6940###
312-6941###
312-6942###
312-6943###
312-6944###
312-6945###
312-6946###
312-6947###
312-6948###
312-6949###