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.

Palmdale: Palmdale DA, CA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
661-503 9   6529 T-MOBILE USA, INC. 730   2020-09-18   
661-504 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-504 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-05-27   
661-504 1   649C ONVOY, LLC - CA 730   2021-05-12   
661-504 2   649C ONVOY, LLC - CA 730   2021-05-12   
661-504 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-09-19   
661-504 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-09-19   
661-504 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-09-19   
661-504 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-09-18   
661-504 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-09-18   
661-504 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-09-18   
661-504 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-09-18   
661-506 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-506 0   899D METROPCS NETWORKS, LLC 730   2020-10-24   
661-506 1   649C ONVOY, LLC - CA 730   2020-11-02   
661-506 2   649C ONVOY, LLC - CA 730   2020-11-02   
661-506 3   6529 T-MOBILE USA, INC. 730   2021-04-15   
661-506 4   6529 T-MOBILE USA, INC. 730   2021-04-15   
661-506 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-06-22   
661-506 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-10-23   
661-506 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-10-23   
661-506 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-10-23   
661-506 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-10-23   
661-507 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-507 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-507 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-507 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-507 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-507 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-507 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-507 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-507 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-507 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-507 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-11-17   
661-508 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-508 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-508 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-508 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-508 3   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-508 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-508 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-508 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-508 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-508 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-508 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-06-13   
661-521 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-521 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
661-521 1   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
661-521 2   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
661-521 3   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2021-09-24   
661-521 4   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-12   
661-521 5   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-12   
661-521 6   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-12   
661-521 7   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-12   
661-521 8   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-12   
661-521 9   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-12   
661-526 A ANHMCA01XEY  516C AT&T CORP. 730      
661-526 0   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-03-18   
661-526 1   981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-10-16   
661-526 2   649C ONVOY, LLC - CA 730   2008-08-01   
661-526 3   516C AT&T CORP. 730   2007-02-26   
661-526 4   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-03-13   
661-526 5   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-10-04   
661-526 6   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-10-04   
661-526 7   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-10-04   
661-526 8   6529 T-MOBILE USA, INC. 730   2007-02-27   
661-526 9   6529 T-MOBILE USA, INC. 730   2007-02-27   
661-533 A PLDLCA11DS0  9740 PACIFIC BELL 730      
661-533 0   9740 PACIFIC BELL 730      
661-533 1   9740 PACIFIC BELL 730      
661-533 2   9740 PACIFIC BELL 730      
661-533 3   9740 PACIFIC BELL 730      
661-533 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2012-12-28   
661-533 5   9740 PACIFIC BELL 730      
661-533 6   9740 PACIFIC BELL 730      
661-533 7   9740 PACIFIC BELL 730      
661-533 8   9740 PACIFIC BELL 730      
661-533 9   9740 PACIFIC BELL 730      
661-537 A PLDLCA01DS0  9740 PACIFIC BELL 730      
661-537 0   9740 PACIFIC BELL 730      
661-537 1   9740 PACIFIC BELL 730      
661-537 2   9740 PACIFIC BELL 730      
661-537 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-05-13   
661-537 4   899D METROPCS NETWORKS, LLC 730   2013-02-02   
661-537 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-05-13   
661-537 6   9740 PACIFIC BELL 730      
661-537 7   9740 PACIFIC BELL 730      
661-537 8   9740 PACIFIC BELL 730      
661-537 9   9740 PACIFIC BELL 730      
661-538 A PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 A PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 0   9740 PACIFIC BELL 730      
661-540 1   9740 PACIFIC BELL 730      
661-540 2   9740 PACIFIC BELL 730      
661-540 3   899D METROPCS NETWORKS, LLC 730   2011-04-02   
661-540 4   9740 PACIFIC BELL 730      
661-540 5   9262 UTILITY TELECOM GROUP, LLC - CA 730      
661-540 6   9740 PACIFIC BELL 730      
661-540 7   9740 PACIFIC BELL 730      
661-540 8   9740 PACIFIC BELL 730      

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

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.