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: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
939-431 A Bayamón Sur PR PBVJPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820   2024-10-24   
939-431 0 Bayamón Sur PR   8645 SUNCOM DBA T-MOBILE USA 820   2025-06-08   
939-431 1 Bayamón Sur PR   8645 SUNCOM DBA T-MOBILE USA 820   2025-06-19   
939-431 2 Bayamón Sur PR   8645 SUNCOM DBA T-MOBILE USA 820   2025-06-29   
939-431 4 Bayamón Sur PR   8645 SUNCOM DBA T-MOBILE USA 820   2024-10-24   
939-431 5 Bayamón Sur PR   8645 SUNCOM DBA T-MOBILE USA 820   2024-10-24   
939-431 6 Bayamón Sur PR   8645 SUNCOM DBA T-MOBILE USA 820   2024-10-24   
939-431 7 Bayamón Sur PR   8645 SUNCOM DBA T-MOBILE USA 820   2024-10-24   
939-431 9 Bayamón Sur PR   8645 SUNCOM DBA T-MOBILE USA 820   2024-10-24   

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

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