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.

OCN: 777H PACOPTIC NETWORKS, LLC - CO

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
720-759 A Longmont CO BLDRCOWNDS0  656      
720-759 0 Longmont CO BLDRCOWNDS0  656      
720-759 1 Longmont CO BLDRCOWNDS0  656      
720-759 6 Longmont CO BLDRCOWNDS0  656      
720-787 A Denver CO BLDRCOWNDS0  656      
720-787 0 Denver CO BLDRCOWNDS0  656      
720-787 1 Denver CO BLDRCOWNDS0  656      
720-787 6 Denver CO BLDRCOWNDS0  656      

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

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