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.

Los Angeles: DA 01, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
213-498 5   7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2024-05-06   
213-498 6   6529 T-MOBILE USA, INC. 730   2024-04-21   
213-498 7   6529 T-MOBILE USA, INC. 730   2024-04-21   
213-498 8   6529 T-MOBILE USA, INC. 730   2024-04-21   
213-498 9   6529 T-MOBILE USA, INC. 730   2024-04-21   
213-499 A LSANCA039MD  9748 AMERICAN MESSAGING SERVICES, LLC 730      
213-500 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
213-501 A LSANCA039MD  9748 AMERICAN MESSAGING SERVICES, LLC 730      
213-503 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
213-504 A ONTRCAXPXAY  6967 33 WIRELESS INC. 730      
213-505 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
213-506 A LSANCA05TMD  6630 USA MOBILITY WIRELESS, INC. 730      
213-507 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
213-508 A LSANCA039MD  9748 AMERICAN MESSAGING SERVICES, LLC 730      
213-509 A CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
213-517 A ONTRCAXPXAY  6967 33 WIRELESS INC. 730      
213-522 A LSANCAJWIMD  965H FRACTEL, LLC 730      
213-522 0   6529 T-MOBILE USA, INC. 730   2021-06-11   
213-522 1   6529 T-MOBILE USA, INC. 730   2021-05-08   
213-522 2   965H FRACTEL, LLC 730   2020-07-31   
213-522 3   6529 T-MOBILE USA, INC. 730   2021-05-08   
213-522 4   6529 T-MOBILE USA, INC. 730   2021-05-08   
213-522 5   6529 T-MOBILE USA, INC. 730   2021-05-08   
213-522 6   6529 T-MOBILE USA, INC. 730   2021-05-08   
213-522 7   981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-10-10   
213-522 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-05-17   
213-522 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-05-17   
213-524 A LSANCARC86Z  996H AIRESPRING, INC. 730      
213-524 0   996H AIRESPRING, INC. 730   2020-06-27   
213-524 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2020-06-28   
213-524 2   6529 T-MOBILE USA, INC. 730   2021-06-11   
213-524 3   6529 T-MOBILE USA, INC. 730   2021-06-11   
213-524 4   6529 T-MOBILE USA, INC. 730   2021-06-11   
213-524 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-06-09   
213-524 6   6529 T-MOBILE USA, INC. 730   2021-06-11   
213-524 7   6529 T-MOBILE USA, INC. 730   2021-06-11   
213-524 8   6529 T-MOBILE USA, INC. 730   2021-06-11   
213-524 9   6529 T-MOBILE USA, INC. 730   2021-06-11   
213-532 A LSANCA03DS2  9740 PACIFIC BELL 730      
213-532 0   9740 PACIFIC BELL 730      
213-532 1   9740 PACIFIC BELL 730      
213-532 2   9740 PACIFIC BELL 730      
213-532 3   9740 PACIFIC BELL 730      
213-532 4   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
213-532 5   9740 PACIFIC BELL 730      
213-532 6   9740 PACIFIC BELL 730      
213-532 7   9740 PACIFIC BELL 730      
213-532 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-09-19   
213-532 9   9740 PACIFIC BELL 730      
213-533 A LSANCA02DS4  9740 PACIFIC BELL 730      
213-533 0   649C ONVOY, LLC - CA 730   2010-10-28   
213-533 1   9740 PACIFIC BELL 730      
213-533 2   649C ONVOY, LLC - CA 730   2010-10-28   
213-533 3   9740 PACIFIC BELL 730      
213-533 4   9740 PACIFIC BELL 730      
213-533 5   9740 PACIFIC BELL 730      
213-533 6   649C ONVOY, LLC - CA 730   2010-10-28   
213-533 7   9740 PACIFIC BELL 730      
213-533 8   9740 PACIFIC BELL 730      
213-533 9   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-13   
213-534 A   829J PAETEC ITEL, LLC 730      
213-534 0   829J PAETEC ITEL, LLC 730      
213-534 1   829J PAETEC ITEL, LLC 730      
213-534 2   829J PAETEC ITEL, LLC 730      
213-534 3   829J PAETEC ITEL, LLC 730      
213-534 4   829J PAETEC ITEL, LLC 730      
213-534 5   829J PAETEC ITEL, LLC 730      
213-534 6   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-13   
213-534 7   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-13   
213-534 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-04-13   
213-534 9   829J PAETEC ITEL, LLC 730      
213-537 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
213-537 0   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-11-11   
213-537 1   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2004-11-26   
213-537 2   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 3   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 4   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 5   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 6   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 7   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-537 9   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-538 A LSANCA03DS2  9740 PACIFIC BELL 730      
213-538 0   9740 PACIFIC BELL 730      
213-538 1   9740 PACIFIC BELL 730      
213-538 2   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-538 3   9740 PACIFIC BELL 730      
213-538 4   9740 PACIFIC BELL 730      
213-538 5   9740 PACIFIC BELL 730      
213-538 6   9740 PACIFIC BELL 730      
213-538 7   9740 PACIFIC BELL 730      
213-538 8   981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-09-20   
213-538 9   9740 PACIFIC BELL 730      
213-539 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
213-539 0   6529 T-MOBILE USA, INC. 730   2021-11-20   
213-539 1   6529 T-MOBILE USA, INC. 730   2021-11-20   
213-539 2   649C ONVOY, LLC - CA 730   2021-11-19   
213-539 3   649C ONVOY, LLC - CA 730   2021-11-19   
213-539 4   649C ONVOY, LLC - CA 730   2021-11-19   
213-539 5   649C ONVOY, LLC - CA 730   2021-11-19   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.