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.

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

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-456 A Pescadero CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-457 A South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-458 A San Mateo CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722   2021-02-01   
650-459 A Half Moon Bay CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-460 A Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-461 A Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-462 A Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-463 A Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-464 A Redwood City CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-465 A Redwood City CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-466 A San Francisco: Juniper DA CA COLACA01DS0  9740 PACIFIC BELL 722      
650-467 A South San Francisco CA SNBUCA02DS0  9740 PACIFIC BELL 722      
650-468 A Palo Alto CA OKLECAZVGT0  6664 SPRINT SPECTRUM, L.P. 722      
650-469 A Los Altos CA SNFECAEJDS0  8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-470 A Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-471 A Los Altos CA SNJUCA10DS0  8322 MPOWER COMMUNICATIONS CORP. - CA 722      
650-472 A Los Altos CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2020-12-28   
650-473 A Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-474 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-475 A Palo Alto CA FRMTCAEDDS0  7262 XO CALIFORNIA, INC. 722      
650-476 A Half Moon Bay CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-477 A San Mateo CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-478 A San Francisco: Central DA CA SNFCCA2101T  9740 PACIFIC BELL 722      
650-479 A Half Moon Bay CA SNJSCAYBDS0  7453 US TELEPACIFIC CORP. - CA 722      
650-480 A Redwood City CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
650-481 A Redwood City CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-482 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-483 A San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-484 A San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-485 A Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-486 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-487 A La Honda CA SNJSCAYBDS0  7453 US TELEPACIFIC CORP. - CA 722      
650-488 A San Francisco: Juniper DA CA SNJSCA02DS4  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-489 A San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-490 A Millbrae CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-491 A South San Francisco CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2020-12-28   
650-492 A Los Altos CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-493 A Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-494 A Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-495 A Mountain View CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
650-496 A Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-497 A Palo Alto CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-498 A Palo Alto CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-499 A Mountain View CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-500 A San Carlos-Belmont CA SNFCCAMKX1X  6906 AMERICAN MESSAGING SERVICES, LLC 722      
650-501 A Pacifica CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-502 A South San Francisco CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-503 A Redwood City CA SNJUCA10DS0  8322 MPOWER COMMUNICATIONS CORP. - CA 722      
650-504 A San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-505 A Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.