Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: PEORILPJXTZ

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-646 8 Tiskilwa IL 318J COMCAST IP PHONE, LLC 368   2007-09-23   
815-663 8 Spring Valley IL 318J COMCAST IP PHONE, LLC 368   2007-09-23   
815-664 0 Spring Valley IL 318J COMCAST IP PHONE, LLC 368   2006-08-09   
815-699 4 Wyanet IL 318J COMCAST IP PHONE, LLC 368   2006-08-09   
815-699 8 Wyanet IL 318J COMCAST IP PHONE, LLC 368   2007-09-23   
815-719 6 Princeton IL 318J COMCAST IP PHONE, LLC 368   2015-09-14   
815-894 4 Ladd IL 318J COMCAST IP PHONE, LLC 368   2006-08-11   
815-894 8 Ladd IL 318J COMCAST IP PHONE, LLC 368   2007-09-23   
815-915 2 Princeton IL 318J COMCAST IP PHONE, LLC 368   2006-08-08   
815-915 8 Princeton IL 318J COMCAST IP PHONE, LLC 368   2007-09-23   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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