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Phone Directory 312-437 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (312) 437-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-437 Chicago, IL Sprint Spectrum L.p. Cook Cell Number 07/22/1999

Other Series For Prefixes

312-4370###
312-4371###
312-4372###
312-4373###
312-4374###
312-4375###
312-4376###
312-4377###
312-4378###
312-4379###