Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 686

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-686 A Santa Clarita: Saugus Canyon Country DA CA   649C ONVOY, LLC - CA 730   2026-03-23   
661-686 0 Santa Clarita: Saugus Canyon Country DA CA   649C ONVOY, LLC - CA 730   2026-03-23   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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