Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 707 [Rate centres in NPA 707] [Dial plan for NPA 707]

NXX: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
707-433 A Healdsburg CA HLBGCA11DS0  9740 PACIFIC BELL 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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