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: 466

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-466 A Lancaster CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2024-01-23   
661-466 0 Lancaster CA   649C ONVOY, LLC - CA 730      
661-466 1 Lancaster CA   649C ONVOY, LLC - CA 730      
661-466 2 Lancaster CA   649C ONVOY, LLC - CA 730      
661-466 3 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-04-07   
661-466 4 Lancaster CA   649C ONVOY, LLC - CA 730      
661-466 5 Lancaster CA   649C ONVOY, LLC - CA 730      
661-466 6 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-01-03   
661-466 7 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-04-07   
661-466 8 Lancaster CA   6529 T-MOBILE USA, INC. 730   2005-03-23   
661-466 9 Lancaster CA   6529 T-MOBILE USA, INC. 730   2005-02-14   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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