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: BOISIDMAXPX

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
458-224 7 Ontario OR 508J CENTURYLINK COMMUNICATIONS, LLC 652   2016-08-31   
458-251 6 Ontario OR 508J CENTURYLINK COMMUNICATIONS, LLC 652   2020-03-29   
541-262 7 Oregon Slope OR 508J CENTURYLINK COMMUNICATIONS, LLC 652   2014-07-29   
541-293 7 Nyssa OR 508J CENTURYLINK COMMUNICATIONS, LLC 652   2014-07-29   
541-473 7 Vale OR 508J CENTURYLINK COMMUNICATIONS, LLC 652   2014-07-29   
986-666 2 Nampa ID 508J CENTURYLINK COMMUNICATIONS, LLC 652   2020-04-04   

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

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