Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
939-865 A BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820      
939-865 0 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2009-09-07   
939-865 1 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2010-06-21   
939-865 2 BYMNPRCO0MD  5562 METROPCS, INC. 820   2015-07-23   
939-865 3 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2015-10-02   
939-865 4 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2015-10-02   
939-865 5 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2013-11-11   
939-865 6 LUQUPRAEDS0  955G LIBERTY COMMUNICATIONS OF PUERTO RICO LLC 820   2016-01-08   
939-865 7 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2016-05-19   
939-865 8 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2014-11-15   
939-865 9 BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2008-12-26   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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