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Phone Directory 773-540 Detail

State Major City Time Zone
Illinois Chicago Central

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Example: (773) 540-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-540 Chicago, IL T-mobile Usa Cook Cell Number 12/28/2004

Other Series For Prefixes

773-5400###
773-5401###
773-5402###
773-5403###
773-5404###
773-5405###
773-5406###
773-5407###
773-5408###
773-5409###