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Phone Directory 773-437 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 437-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-437 Chicago, IL Teleport Communications America Cook Landline 01/11/1997

Other Series For Prefixes

773-4370###
773-4371###
773-4372###
773-4373###
773-4374###
773-4375###
773-4376###
773-4377###
773-4378###
773-4379###