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Phone Directory 312-375 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 375-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-375 Chicago, IL T-mobile Usa Cook Cell Number 06/30/2001

Other Series For Prefixes

312-3750###
312-3751###
312-3752###
312-3753###
312-3754###
312-3755###
312-3756###
312-3757###
312-3758###
312-3759###