Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Guaynabo, PR

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
939-388 3   639J LIBERTY MOBILE PUERTO RICO INC. 820   2010-02-15   
939-388 4   639J LIBERTY MOBILE PUERTO RICO INC. 820   2010-02-15   
939-388 5   639J LIBERTY MOBILE PUERTO RICO INC. 820   2010-02-15   
939-388 6   639J LIBERTY MOBILE PUERTO RICO INC. 820   2010-02-15   
939-388 7   639J LIBERTY MOBILE PUERTO RICO INC. 820   2010-02-15   
939-388 8   639J LIBERTY MOBILE PUERTO RICO INC. 820   2010-02-15   
939-388 9   639J LIBERTY MOBILE PUERTO RICO INC. 820   2010-02-15   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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