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: 669

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-669 A Big Butte CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-669 0 Big Butte CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-08-30   
661-669 1 Big Butte CA LSANCARC32Z  073H TELNYX LLC 730   2021-02-26   
661-669 3 Big Butte CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-11-02   
661-669 4 Big Butte CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-11-02   
661-669 5 Big Butte CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-22   
661-669 6 Big Butte CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-06-07   
661-669 7 Big Butte CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-28   
661-669 8 Big Butte CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-28   

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

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