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: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

Block: A

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-556 A Los Angeles: DA 13 CA LSANCAGJDS4  7453 U.S. TELEPACIFIC CORP. - CA 730      
323-557 A Los Angeles: DA 13 CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-558 A Montebello CA POMNCAAADS0  8322 MPOWER COMMUNICATIONS CORP - CA 730      
323-559 A Los Angeles: DA 06 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-02-25   
323-560 A Los Angeles: DA 06 CA BELLCA11DS0  9740 PACIFIC BELL 730      
323-561 A Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730      
323-562 A Los Angeles: DA 06 CA BELLCA11DS0  9740 PACIFIC BELL 730      
323-563 A Los Angeles: DA 06 CA SGATCA01DS0  9740 PACIFIC BELL 730      
323-564 A Los Angeles: DA 06 CA SGATCA01DS0  9740 PACIFIC BELL 730      
323-565 A Los Angeles: DA 09 CA LSANCA05DS0  9740 PACIFIC BELL 730      
323-566 A Los Angeles: DA 06 CA SGATCA01DS0  9740 PACIFIC BELL 730      
323-567 A Los Angeles: DA 06 CA SGATCA01DS0  9740 PACIFIC BELL 730      
323-568 A Los Angeles: DA 06 CA SGATCA01DS0  9740 PACIFIC BELL 730      
323-569 A Los Angeles: DA 06 CA SGATCA01DS0  9740 PACIFIC BELL 730      
323-570 A Los Angeles: DA 09 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
323-571 A Los Angeles: DA 13 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-572 A Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-573 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-574 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-575 A Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-576 A Los Angeles: DA 04 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-577 A Los Angeles: DA 04 CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
323-578 A Los Angeles: DA 14 CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-579 A Los Angeles: DA 02 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-580 A Los Angeles: DA 14 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-581 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-582 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-583 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-584 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-585 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-586 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-587 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-588 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-589 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-590 A Los Angeles: DA 14 CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM L.P. 730      
323-591 A Los Angeles: DA 13 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
323-592 A Los Angeles: DA 13 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-593 A Los Angeles: DA 02 CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
323-594 A Montebello CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-595 A Los Angeles: DA 13 CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM L.P. 730      
323-596 A Los Angeles: DA 12 CA LSANCAGJDS4  7453 U.S. TELEPACIFIC CORP. - CA 730      
323-597 A Montebello CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730      
323-598 A Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM L.P. 730      
323-599 A Los Angeles: DA 09 CA LSANCAVADS2  8827 BROADWING COMMUNICATIONS, LLC - CA 730      
323-600 A Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-601 A Los Angeles: DA 12 CA IRVECAEIDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      
323-602 A Los Angeles: DA 13 CA IRVECAEIDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      
323-603 A Los Angeles: DA 14 CA IRVECAEIDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 730      
323-604 A Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-605 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.