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
650-559 A Los Altos CA LSATCA11DS0  9740 PACIFIC BELL 722      
650-560 A Half Moon Bay CA HMBACA12DS0  9740 PACIFIC BELL 722      
650-561 A Palo Alto CA MNPKCA11DS0  9740 PACIFIC BELL 722      
650-562 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-563 A Moss Beach CA MSBHCA11RS2  9740 PACIFIC BELL 722      
650-564 A Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-565 A Palo Alto CA PLALCA12DS0  9740 PACIFIC BELL 722      
650-566 A Palo Alto CA PLALCA02DS0  9740 PACIFIC BELL 722      
650-567 A Mountain View CA MTVWCA11DS0  9740 PACIFIC BELL 722      
650-568 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-569 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-570 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-571 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-572 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-573 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-574 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-575 A Palo Alto CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-576 A San Mateo CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-577 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-578 A San Mateo CA SNMTCA11DS1  9740 PACIFIC BELL 722      
650-579 A San Mateo CA BRLNCA01DS0  9740 PACIFIC BELL 722      
650-580 A South San Francisco CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-581 A San Mateo CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-582 A Mountain View CA SNFCCAMKX9X  073H TELNYX LLC 722   2021-03-22   
650-583 A South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-584 A Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-585 A San Carlos-Belmont CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2020-12-28   
650-586 A Palo Alto CA SNJUCACL3MD  073H TELNYX LLC 722   2021-03-25   
650-587 A Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2020-12-28   
650-588 A South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-589 A South San Francisco CA SNBUCA02DS1  9740 PACIFIC BELL 722      
650-590 A San Carlos-Belmont CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-591 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-592 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-593 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-594 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-595 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-596 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-597 A San Carlos-Belmont CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
650-598 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-599 A Redwood City CA RDCYCA01DS0  9740 PACIFIC BELL 722      
650-600 A Palo Alto CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-602 A Mountain View CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2021-12-10   
650-603 A Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-604 A Mountain View CA MTVWCA11DS1  9740 PACIFIC BELL 722      
650-605 A Mountain View CA SNFECAEJDS0  8782 ALLEGIANCE TELECOM, INC. - CA 722      
650-607 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      
650-608 A San Francisco: Juniper DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-609 A Millbrae CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2022-02-12   
650-610 A San Carlos-Belmont CA SNCRCA11DS0  9740 PACIFIC BELL 722      

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

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.