Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 858 [Rate centres in NPA 858] [Dial plan for NPA 858]

NXX: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
858-856 A San Diego: Linda Vista DA CA SNDGCA023KD  6483 AMERICAN MESSAGING SERVICES, LLC 732      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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