Local Calling Guide

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

NXX: 561

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-561 A Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-561 0 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2020-05-29   
661-561 1 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2020-05-29   
661-561 2 Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2020-08-05   
661-561 3 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-08-13   
661-561 4 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-08-13   
661-561 5 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-05-28   
661-561 6 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2020-05-28   
661-561 7 Delano CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2020-08-05   
661-561 8 Delano CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2020-05-29   
661-561 9 Delano CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2020-05-29   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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