Local Calling Guide

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

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-632 0 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-632 1 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-632 2 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-632 3 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-632 4 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-632 5 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
650-632 6 San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-632 7 San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
650-632 8 San Carlos-Belmont CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2006-06-14   
650-632 9 San Carlos-Belmont CA SNJUCACL3MD  073H TELNYX LLC 722   2017-06-12   
650-633 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-634 A South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-634 0 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-634 1 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-634 2 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-634 3 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-634 4 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-634 5 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-634 6 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-634 7 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-634 8 South San Francisco CA SNFCCA01XGX  516C AT&T CORP. 722   2014-04-16   
650-634 9 South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-635 A South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-636 A South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-636 0 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-636 1 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-636 2 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-636 3 South San Francisco CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-06-10   
650-636 4 South San Francisco CA SNFCCA01XGX  516C AT&T CORP. 722   2006-06-30   
650-636 5 South San Francisco CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-07-23   
650-636 6 South San Francisco CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-06-10   
650-636 7 South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-12-14   
650-636 8 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-636 9 South San Francisco CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-637 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-638 A San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 0 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 1 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 2 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 3 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 4 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 5 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 6 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 7 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-638 8 San Mateo CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-02-07   
650-638 9 San Mateo CA SNMTCA11DS0  9740 PACIFIC BELL 722      
650-639 A San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-16   
650-639 0 San Mateo CA   624H ONVOY SPECTRUM, LLC 722   2025-01-30   
650-639 1 San Mateo CA   624H ONVOY SPECTRUM, LLC 722   2025-05-16   
650-639 2 San Mateo CA   624H ONVOY SPECTRUM, LLC 722   2025-05-16   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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