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.

NPA: 939 [Rate centres in NPA 939] [Dial plan for NPA 939]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-303 A Río Grande PR   559F NEUTRAL TANDEM - PR 820      
939-303 2 Río Grande PR PBVJPRCOYMD  091J LUMEN TECHNOLOGIES PUERTO RICO, LLC 820      
939-303 3 Río Grande PR LUQUPRAEDS0  955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820      
939-303 4 Río Grande PR PBVJPRCO1MD  559F NEUTRAL TANDEM - PR 820      
939-303 5 Río Grande PR   8645 SUNCOM DBA T-MOBILE USA 820      
939-303 7 Río Grande PR PBVJPRCO4MD  624H ONVOY SPECTRUM, LLC 820      
939-303 8 Río Grande PR   8645 SUNCOM DBA T-MOBILE USA 820      
939-303 9 Río Grande PR   8645 SUNCOM DBA T-MOBILE USA 820      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.