Local Calling Guide

Area code/prefix search

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NPA: 619 [Rate centres in NPA 619] [Dial plan for NPA 619]

NXX: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-575 A Chula Vista CA IMBHCA11DS0  9740 PACIFIC BELL 732      

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

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