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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-646 A Lancaster CA   649C ONVOY, LLC - CA 730   2024-08-26   
661-646 0 Lancaster CA   649C ONVOY, LLC - CA 730      
661-646 3 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 4 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 5 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 6 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 7 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 8 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 9 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      

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

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