Local Calling Guide

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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 532

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-532 A Big Butte CA   515J IP HORIZON LLC 730      
661-532 0 Big Butte CA   515J IP HORIZON LLC 730      
661-532 1 Big Butte CA   515J IP HORIZON LLC 730      
661-532 2 Big Butte CA   515J IP HORIZON LLC 730      
661-532 3 Big Butte CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2018-10-21   
661-532 4 Big Butte CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-10-15   
661-532 5 Big Butte CA ANHMCA01XEY  516C AT&T CORP. 730   2011-06-08   
661-532 6 Big Butte CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-01-12   
661-532 7 Big Butte CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-06-27   
661-532 8 Big Butte CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-02-25   
661-532 9 Big Butte CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-22   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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