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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Vega Baja, PR

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
939-421 1 PBVJPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2025-01-10   
939-421 2   8645 SUNCOM DBA T-MOBILE USA 820   2025-04-05   
939-421 7 PBVJPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2024-07-26   
939-421 8 PBVJPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2024-07-26   
939-421 9 PBVJPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2024-07-26   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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