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.
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OCN: 7442 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OR

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
541-293 3 Nyssa OR BOISIDMAXTX  652      
541-823 5 Ontario OR BOISIDMAXTX  652      
541-920 A Vale OR BOISIDMAXTX  652      
541-920 9 Vale OR BOISIDMAXTX  652      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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