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: 361

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-361 A Mayaguez PR BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820      
939-361 0 Mayaguez PR   8645 SUNCOM DBA T-MOBILE USA 820   2023-05-20   
939-361 1 Mayaguez PR   8645 SUNCOM DBA T-MOBILE USA 820   2023-05-20   
939-361 2 Mayaguez PR   8645 SUNCOM DBA T-MOBILE USA 820   2023-05-20   
939-361 3 Mayaguez PR   624H ONVOY SPECTRUM, LLC 820   2023-12-05   
939-361 9 Mayaguez PR   8645 SUNCOM DBA T-MOBILE USA 820   2023-05-20   

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

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