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: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-306 A Lake Hughes CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-306 0 Lake Hughes CA   515J IP HORIZON LLC 730   2015-09-19   
661-306 1 Lake Hughes CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-02-15   
661-306 2 Lake Hughes CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2012-12-30   
661-306 3 Lake Hughes CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2012-12-30   
661-306 4 Lake Hughes CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-05-02   
661-306 5 Lake Hughes CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-24   
661-306 6 Lake Hughes CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-06-27   
661-306 7 Lake Hughes CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2017-05-27   
661-306 8 Lake Hughes CA ONTRCAXPXAY  252F WIDE VOICE, LLC - CA 730   2016-08-28   
661-306 9 Lake Hughes CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-09-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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