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: OXFRMAAKPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-731 A Oxford MA 293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2004-06-25   
508-779 A Uxbridge MA 293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2004-07-19   
774-234 A Rutland MA 293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2005-02-19   
774-241 A Sturbridge MA 293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2005-02-19   
774-243 A Worcester MA 293C CHARTER FIBERLINK MA-CCO, LLC - MA 128   2011-05-30   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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