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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Naranjito, PR

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
939-425 9 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2018-02-04   
939-733 A BYMNPRCO4MD  624H ONVOY SPECTRUM, LLC 820   2024-01-06   
939-733 0 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2024-06-20   
939-733 7 BYMNPRCO4MD  624H ONVOY SPECTRUM, LLC 820   2024-01-06   

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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