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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Santana, PR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
787-881 A SNTNPRRRRS1  3201 PUERTO RICO TEL. CO. 820      
939-629 A BYMNPRCO1MD  559F NEUTRAL TANDEM - PR 820      
939-629 2 BYMNPRCO4MD  624H ONVOY SPECTRUM, LLC 820   2023-12-05   
939-629 6 BYMNPRCO1MD  559F NEUTRAL TANDEM - PR 820   2021-02-12   

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

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