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: 078F BANDWIDTH.COM CLEC, LLC - CO

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
983-210 A Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-210 0 Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-210 1 Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-210 2 Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-210 3 Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-210 4 Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-210 5 Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-210 6 Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-210 7 Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-210 8 Denver CO DNVRCOMAXGZ  656   2024-11-23   
983-216 1 Denver CO   656   2025-05-23   

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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