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: 544

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-544 A Camuy PR LUQUPRAEDS0  955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820      
939-544 2 Camuy PR BYMNPRCO4MD  624H ONVOY SPECTRUM, LLC 820   2023-12-05   
939-544 3 Camuy PR BYMNPRCO1MD  559F NEUTRAL TANDEM - PR 820   2021-01-25   
939-544 5 Camuy PR LUQUPRAEDS0  955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820   2016-01-27   
939-544 6 Camuy PR   091J LUMEN TECHNOLOGIES PUERTO RICO, LLC 820   2025-02-22   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.