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Phone Directory 815-631 Detail

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-631 Sterling, IL Ameritech Illinois Whiteside Landline 04/15/1996

Other Series For Prefixes

815-6310###
815-6311###
815-6312###
815-6313###
815-6314###
815-6315###
815-6316###
815-6317###
815-6318###
815-6319###