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: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-316 A Cayey PR PBVJPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820      
939-316 0 Cayey PR   8645 SUNCOM DBA T-MOBILE USA 820   2021-10-25   
939-316 1 Cayey PR   8645 SUNCOM DBA T-MOBILE USA 820   2021-10-25   
939-316 2 Cayey PR   5562 METROPCS, INC. 820   2022-07-20   
939-316 3 Cayey PR   624H ONVOY SPECTRUM, LLC 820   2023-12-05   
939-316 4 Cayey PR   8645 SUNCOM DBA T-MOBILE USA 820   2022-01-12   
939-316 5 Cayey PR   8645 SUNCOM DBA T-MOBILE USA 820   2022-01-12   
939-316 6 Cayey PR   8645 SUNCOM DBA T-MOBILE USA 820   2022-01-12   
939-316 7 Cayey PR   8645 SUNCOM DBA T-MOBILE USA 820   2022-01-12   
939-316 8 Cayey PR   8645 SUNCOM DBA T-MOBILE USA 820   2022-01-12   
939-316 9 Cayey PR   8645 SUNCOM DBA T-MOBILE USA 820   2021-10-25   

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

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