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.

Placentia, CA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
657-708 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-03-23   
657-708 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-11-17   
657-708 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-10-03   
657-708 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-03-23   
657-708 6   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2024-11-19   
657-708 7   6529 T-MOBILE USA, INC. 730   2023-12-30   
657-708 8   6529 T-MOBILE USA, INC. 730   2023-12-30   
657-708 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-17   
714-203 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
714-203 0   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
714-203 1   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-09-23   
714-203 2   515J IP HORIZON LLC 730   2003-10-13   
714-203 3   649C ONVOY, LLC - CA 730   2011-01-20   
714-203 4   6529 T-MOBILE USA, INC. 730   2005-12-10   
714-203 5   649C ONVOY, LLC - CA 730   2011-04-06   
714-203 6   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-12-16   
714-203 7   649C ONVOY, LLC - CA 730   2009-09-14   
714-203 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2000-12-30   
714-203 9   649C ONVOY, LLC - CA 730   2009-09-14   
714-223 A PLCNCA11DS0  9740 PACIFIC BELL 730      
714-364 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
714-364 0   649C ONVOY, LLC - CA 730      
714-364 1   649C ONVOY, LLC - CA 730      
714-364 2   649C ONVOY, LLC - CA 730      
714-364 3   624H ONVOY SPECTRUM, LLC 730   2020-07-02   
714-364 4   649C ONVOY, LLC - CA 730   2005-12-22   
714-364 5   649C ONVOY, LLC - CA 730   2009-09-14   
714-364 6   829J PAETEC ITEL, LLC 730   2003-05-01   
714-364 7   6529 T-MOBILE USA, INC. 730   2002-12-01   
714-364 8   649C ONVOY, LLC - CA 730      
714-364 9   649C ONVOY, LLC - CA 730      
714-419 A LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730      
714-419 0   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-419 1   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-419 2   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-419 3   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-419 4   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-419 5   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-419 6   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-419 7   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-419 8   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-419 9   624H ONVOY SPECTRUM, LLC 730   2023-06-15   
714-499 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
714-499 0   899D METROPCS NETWORKS, LLC 730   2007-04-29   
714-499 1   899D METROPCS NETWORKS, LLC 730   2007-04-29   
714-499 2   899D METROPCS NETWORKS, LLC 730   2007-04-29   
714-499 3   899D METROPCS NETWORKS, LLC 730   2007-04-29   
714-499 4   899D METROPCS NETWORKS, LLC 730   2007-04-29   
714-499 5   899D METROPCS NETWORKS, LLC 730   2007-04-29   
714-499 6   899D METROPCS NETWORKS, LLC 730   2007-04-29   
714-499 7   899D METROPCS NETWORKS, LLC 730   2007-04-29   
714-499 8   899D METROPCS NETWORKS, LLC 730   2007-04-29   
714-499 9   649C ONVOY, LLC - CA 730   2008-06-26   
714-524 A PLCNCA11DS0  9740 PACIFIC BELL 730      
714-528 A PLCNCA11DS0  9740 PACIFIC BELL 730      
714-572 A PLCNCA11DS0  9740 PACIFIC BELL 730      
714-577 A PLCNCA11DS0  9740 PACIFIC BELL 730      
714-577 0   9740 PACIFIC BELL 730      
714-577 1   9740 PACIFIC BELL 730      
714-577 2   649C ONVOY, LLC - CA 730   2008-07-30   
714-577 3   9740 PACIFIC BELL 730      
714-577 4   9740 PACIFIC BELL 730      
714-577 5   9740 PACIFIC BELL 730      
714-577 6   9740 PACIFIC BELL 730      
714-577 7   9740 PACIFIC BELL 730      
714-577 8   9740 PACIFIC BELL 730      
714-577 9   9740 PACIFIC BELL 730      
714-579 A PLCNCA11DS0  9740 PACIFIC BELL 730      
714-579 0   9740 PACIFIC BELL 730      
714-579 1   9740 PACIFIC BELL 730      
714-579 2   9740 PACIFIC BELL 730      
714-579 3   9740 PACIFIC BELL 730      
714-579 4   9740 PACIFIC BELL 730      
714-579 5   6529 T-MOBILE USA, INC. 730   2008-05-01   
714-579 6   9740 PACIFIC BELL 730      
714-579 7   9740 PACIFIC BELL 730      
714-579 8   9740 PACIFIC BELL 730      
714-579 9   899D METROPCS NETWORKS, LLC 730   2008-06-16   
714-610 A TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
714-610 0   899D METROPCS NETWORKS, LLC 730   2009-03-05   
714-610 1   899D METROPCS NETWORKS, LLC 730   2009-03-05   
714-610 2   899D METROPCS NETWORKS, LLC 730   2009-03-05   
714-610 3   899D METROPCS NETWORKS, LLC 730   2009-05-21   
714-610 4   899D METROPCS NETWORKS, LLC 730   2009-05-21   
714-610 5   899D METROPCS NETWORKS, LLC 730   2010-04-05   
714-610 6   899D METROPCS NETWORKS, LLC 730   2009-07-31   
714-610 7   649C ONVOY, LLC - CA 730   2009-09-14   
714-610 8   649C ONVOY, LLC - CA 730   2009-09-14   
714-610 9   649C ONVOY, LLC - CA 730   2009-09-14   
714-646 A BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
714-646 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
714-646 1   649C ONVOY, LLC - CA 730   2005-09-29   
714-646 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-09-04   
714-646 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-09-05   
714-646 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2003-01-09   
714-646 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
714-646 6   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-03-16   
714-646 7   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-03-16   
714-646 8   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2006-01-15   
714-646 9   576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2007-03-13   

<< 1 2 3 4 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.