Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 787 [Rate centres in NPA 787] [Dial plan for NPA 787]

NXX: 878

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
787-878 A Arecibo PR ARBOPRCODS1  3201 PUERTO RICO TEL. CO. 820      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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