Local Calling Guide

Area code/prefix search

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NPA: 787 [Rate centres in NPA 787] [Dial plan for NPA 787]

NXX: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
787-458 A Mayaguez PR BYMNPRCO0MD  8645 SUNCOM DBA T-MOBILE USA 820      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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