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Phone Directory 312-323 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 323-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-323 Chicago, IL American Messaging (am) Cook Cell Number 04/13/2001

Other Series For Prefixes

312-3230###
312-3231###
312-3232###
312-3233###
312-3234###
312-3235###
312-3236###
312-3237###
312-3238###
312-3239###