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: 780

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-780 A Palmdale: Leona Valley DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-780 0 Palmdale: Leona Valley DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-07   
661-780 1 Palmdale: Leona Valley DA CA   515J IP HORIZON LLC 730      
661-780 2 Palmdale: Leona Valley DA CA   515J IP HORIZON LLC 730      
661-780 3 Palmdale: Leona Valley DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-01   
661-780 4 Palmdale: Leona Valley DA CA   515J IP HORIZON LLC 730   2022-10-20   
661-780 5 Palmdale: Leona Valley DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-01   
661-780 6 Palmdale: Leona Valley DA CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-07-02   
661-780 7 Palmdale: Leona Valley DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-09-22   
661-780 8 Palmdale: Leona Valley DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-07   
661-780 9 Palmdale: Leona Valley DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-22   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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