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Phone Directory 773-603 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 603-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-603 Chicago, IL T-mobile Usa Cook Cell Number 06/30/2005

Other Series For Prefixes

773-6030###
773-6031###
773-6032###
773-6033###
773-6034###
773-6035###
773-6036###
773-6037###
773-6038###
773-6039###