Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

San Mateo, CA

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
650-650 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-27   
650-650 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-11-27   
650-653 A HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-653 0 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-653 1 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2013-08-16   
650-653 2 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-653 3 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-653 4 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-653 5 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-653 6 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-653 7 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-653 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-20   
650-653 9 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-655 A SNMTCA11DS0  9740 PACIFIC BELL 722      
650-667 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-667 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-21   
650-667 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-21   
650-667 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-21   
650-667 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-21   
650-667 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-21   
650-667 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-21   
650-667 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-21   
650-667 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-10-30   
650-667 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-10-30   
650-667 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-10-18   
650-678 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-685 A BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 A BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 0 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-11-12   
650-696 1 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 2 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 3 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 4 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 5 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 6 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 7 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 8 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-696 9 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-699 A SNJUCACL7MD  965H FRACTEL, LLC 722      
650-699 0 SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2021-05-31   
650-699 1 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2020-10-14   
650-699 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-08-22   
650-699 3 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-08   
650-699 4 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2020-10-14   
650-699 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-03-02   
650-699 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2020-03-02   
650-699 7 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-11-07   
650-699 8 SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
650-699 9 SNJUCACL7MD  965H FRACTEL, LLC 722   2019-05-14   
650-703 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-706 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-706 0 SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2023-07-19   
650-706 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-21   
650-706 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-09-10   
650-706 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-09-10   
650-706 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-09-10   
650-706 5 SNJUCACL00Z  490J DISH WIRELESS, LLC 722   2024-06-29   
650-706 6 SNJUCACL00Z  490J DISH WIRELESS, LLC 722   2024-11-25   
650-706 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-06-11   
650-706 8 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-08   
650-706 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-08   
650-715 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
650-715 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-07-23   
650-715 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-04-26   
650-715 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-02   
650-715 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-02   
650-715 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-10-02   
650-715 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-01-01   
650-715 6 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-12-08   
650-715 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-01-01   
650-715 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-01-01   
650-715 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2024-09-21   
650-727 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-727 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-08-02   
650-727 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-08-05   
650-727 2 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-08-11   
650-727 3 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2014-08-18   
650-727 4 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-07-15   
650-727 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-08-25   
650-727 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-08-25   
650-727 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-08-05   
650-727 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-08-25   
650-727 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-08-05   
650-740 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-753 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-753 0   515J IP HORIZON LLC 722   2015-09-05   
650-753 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-16   
650-753 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-02-16   
650-753 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-11-25   
650-753 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-11-25   
650-753 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-12-14   
650-753 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-12-14   
650-753 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-12-14   
650-753 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-12-14   
650-753 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2014-11-22   
650-759 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-762 A BRLNCA01DS0  9740 PACIFIC BELL 722      
650-762 0 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-762 1 BRLNCA01DS0  9740 PACIFIC BELL 722      
650-762 2 BRLNCA01DS0  9740 PACIFIC BELL 722      

<< 1 2 3 4 5 6 7 8 9 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.