Local Calling Guide

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NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 264

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-264 A San Carlos-Belmont CA SNFCCA01DS5  7421 AT&T - LOCAL 722      
650-264 0 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2026-06-17   
650-264 1 San Carlos-Belmont CA SNFCCA01DS5  7421 AT&T - LOCAL 722      
650-264 2 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-15   
650-264 3 San Carlos-Belmont CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2010-02-15   
650-264 4 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-15   
650-264 5 San Carlos-Belmont CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-09-15   
650-264 6 San Carlos-Belmont CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-09-03   
650-264 7 San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-11-13   
650-264 8 San Carlos-Belmont CA SNFCCA01XGX  516C AT&T CORP. 722   2006-06-30   
650-264 9 San Carlos-Belmont CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-14   

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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