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Phone Directory 815-431 Detail

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Illinois Chicago Central

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Example: (815) 431-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
815-431 Ottawa, IL Ameritech Illinois La Salle Landline 01/11/1997

Other Series For Prefixes

815-4310###
815-4311###
815-4312###
815-4313###
815-4314###
815-4315###
815-4316###
815-4317###
815-4318###
815-4319###