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: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-437 A Trujillo Alto PR GUYNPRABGT0  302B TELEFONICA LARGA DISTANCIA DE PUERTO RICO - PR 820      
939-437 0 Trujillo Alto PR   639J LIBERTY MOBILE PUERTO RICO INC. 820      
939-437 1 Trujillo Alto PR   639J LIBERTY MOBILE PUERTO RICO INC. 820      
939-437 2 Trujillo Alto PR GUYNPRABGT0  302B TELEFONICA LARGA DISTANCIA DE PUERTO RICO - PR 820      
939-437 3 Trujillo Alto PR PBVJPRCOYMD  091J LUMEN TECHNOLOGIES PUERTO RICO, LLC 820      
939-437 4 Trujillo Alto PR LUQUPRAEDS0  955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820      
939-437 5 Trujillo Alto PR   639J LIBERTY MOBILE PUERTO RICO INC. 820      
939-437 6 Trujillo Alto PR   639J LIBERTY MOBILE PUERTO RICO INC. 820      
939-437 7 Trujillo Alto PR   639J LIBERTY MOBILE PUERTO RICO INC. 820      
939-437 8 Trujillo Alto PR   639J LIBERTY MOBILE PUERTO RICO INC. 820      
939-437 9 Trujillo Alto PR   639J LIBERTY MOBILE PUERTO RICO INC. 820      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.