Local Calling Guide

Area code/prefix search

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

NXX: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
787-337 A Caguas PR GUYNPRBMGT0  087D OPTIVON TELECOMMUNICATIONS SERVICES, INC. - PR 820      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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