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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Switch: GDISNENWJMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-782 2 South Big Springs CO 026D ONVOY, LLC - CO 646   2021-03-12   
970-782 7 South Big Springs CO 026D ONVOY, LLC - CO 646   2020-01-28   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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