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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-221 A Luquillo PR GUYNPR20DS0  9726 WORLDNET TELECOMMUNICATIONS, INC. - PR 820      
939-221 0 Luquillo PR   559F NEUTRAL TANDEM - PR 820   2022-10-03   
939-221 1 Luquillo PR   9726 WORLDNET TELECOMMUNICATIONS, INC. - PR 820   2013-10-31   
939-221 2 Luquillo PR   955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820   2016-01-08   
939-221 3 Luquillo PR   559F NEUTRAL TANDEM - PR 820   2021-01-25   
939-221 4 Luquillo PR   624H ONVOY SPECTRUM, LLC 820   2023-12-05   
939-221 7 Luquillo PR   091J LUMEN TECHNOLOGIES PUERTO RICO, LLC 820   2025-02-27   
939-221 9 Luquillo PR   955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820   2024-11-16   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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