Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 939 [Rate centres in NPA 939] [Dial plan for NPA 939]

NXX: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-427 A Santurce PR PBVJPRCOYMD  091J LUMEN TECHNOLOGIES PUERTO RICO, LLC 820   2024-09-12   
939-427 4 Santurce PR PBVJPRCOYMD  091J LUMEN TECHNOLOGIES PUERTO RICO, LLC 820   2024-09-12   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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