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: DNVRCOMAXGZ

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
983-207 8 Longmont CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-03   
983-207 9 Longmont CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-03   
983-210 A Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   
983-210 0 Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   
983-210 1 Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   
983-210 2 Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   
983-210 3 Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   
983-210 4 Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   
983-210 5 Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   
983-210 6 Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   
983-210 7 Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   
983-210 8 Denver CO 078F BANDWIDTH.COM CLEC, LLC - CO 656   2024-11-23   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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