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: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-420 A Cuyama CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-420 0 Cuyama CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2024-01-05   
661-420 1 Cuyama CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-420 2 Cuyama CA BKFDCAKTX1X  939H COMMIO, LLC 734   2024-01-28   
661-420 3 Cuyama CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-08-13   
661-420 4 Cuyama CA BKFDCAKTX6X  965H FRACTEL, LLC 734   2020-07-27   
661-420 6 Cuyama CA BKFDCAKTX1X  939H COMMIO, LLC 734   2021-10-22   
661-420 7 Cuyama CA BKFDCAKTX1X  939H COMMIO, LLC 734   2021-10-22   
661-420 8 Cuyama CA BKFDCAKTX1X  939H COMMIO, LLC 734   2021-10-22   
661-420 9 Cuyama CA BKFDCAKTX1X  939H COMMIO, LLC 734   2021-10-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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