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: 091J LUMEN TECHNOLOGIES PUERTO RICO, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
939-928 0 Peñuelas PR PBVJPRCOYMD  820   2020-03-08   
939-992 2 Yauco PR PBVJPRCOYMD  820   2019-09-02   
939-999 2 Aguas Buenas PR PBVJPRCOYMD  820   2020-03-08   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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