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Phone Directory 773-561 Detail

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Illinois Chicago Central

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Example: (773) 561-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
773-561 Chicago, IL Ameritech Illinois Cook Landline 10/15/1996

Other Series For Prefixes

773-5610###
773-5611###
773-5612###
773-5613###
773-5614###
773-5615###
773-5616###
773-5617###
773-5618###
773-5619###