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]

<< 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 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-261 A Los Angeles: DA 05 CA LSANCA34DS1  9740 PACIFIC BELL 730      
323-262 A Los Angeles: DA 05 CA LSANCA34DS1  9740 PACIFIC BELL 730      
323-263 A Los Angeles: DA 05 CA LSANCA34DS1  9740 PACIFIC BELL 730      
323-264 A Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-265 A Los Angeles: DA 05 CA LSANCA34DS1  9740 PACIFIC BELL 730      
323-266 A Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 0 Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 1 Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 2 Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 3 Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 4 Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 5 Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 6 Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 7 Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 8 Los Angeles: DA 05 CA LSANCA34DS0  9740 PACIFIC BELL 730      
323-266 9 Los Angeles: DA 05 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-05-03   
323-267 A Los Angeles: DA 05 CA LSANCA34DS1  9740 PACIFIC BELL 730      
323-268 A Los Angeles: DA 05 CA LSANCA34DS1  9740 PACIFIC BELL 730      
323-269 A Los Angeles: DA 05 CA LSANCA34DS1  9740 PACIFIC BELL 730      
323-270 A Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-270 0 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-270 1 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-270 2 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-270 3 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-270 4 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-270 5 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-270 6 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-270 7 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-270 8 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-270 9 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-271 A Montebello CA LSANCA35DS0  9740 PACIFIC BELL 730      
323-271 0 Montebello CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-02-02   
323-271 1 Montebello CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2004-09-20   
323-271 2 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-02-10   
323-271 3 Montebello CA LSANCA35DS0  9740 PACIFIC BELL 730      
323-271 4 Montebello CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2003-01-10   
323-271 5 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2005-02-10   
323-271 6 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2004-12-30   
323-271 7 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-01-13   
323-271 8 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2004-10-05   
323-271 9 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2004-10-05   
323-272 A Los Angeles: DA 13 CA BVHLCA01DS0  9740 PACIFIC BELL 730      
323-272 0 Los Angeles: DA 13 CA BVHLCA01DS0  9740 PACIFIC BELL 730      
323-272 1 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2018-07-07   
323-272 2 Los Angeles: DA 13 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-05-25   
323-272 3 Los Angeles: DA 13 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-04-17   
323-272 4 Los Angeles: DA 13 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2008-04-17   
323-272 5 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-272 6 Los Angeles: DA 13 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2009-04-19   
323-272 7 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2011-03-13   
323-272 8 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-272 9 Los Angeles: DA 13 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2007-06-23   
323-273 A Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-273 0 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-273 1 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-273 2 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-273 3 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-273 4 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-273 5 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-273 6 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-273 7 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-273 8 Montebello CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
323-273 9 Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-274 A Los Angeles: DA 03 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-274 0 Los Angeles: DA 03 CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2005-09-23   
323-274 1 Los Angeles: DA 03 CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2005-09-29   
323-274 2 Los Angeles: DA 03 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-09-02   
323-274 3 Los Angeles: DA 03 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-274 4 Los Angeles: DA 03 CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2012-08-18   
323-274 5 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-08-01   
323-274 6 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-08-10   
323-274 7 Los Angeles: DA 03 CA   145J TERRA NOVA TELECOM INC. 730   2022-10-03   
323-274 8 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-08-10   
323-274 9 Los Angeles: DA 03 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-10-26   
323-275 A Los Angeles: DA 04 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-275 0 Los Angeles: DA 04 CA LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-275 1 Los Angeles: DA 04 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-02-02   
323-275 2 Los Angeles: DA 04 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-09-05   
323-275 3 Los Angeles: DA 04 CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-04-19   
323-275 4 Los Angeles: DA 04 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-01-13   
323-275 5 Los Angeles: DA 04 CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2013-10-07   
323-275 6 Los Angeles: DA 04 CA MTPKCACG1MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2005-08-10   
323-275 7 Los Angeles: DA 04 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-08-11   
323-275 8 Los Angeles: DA 04 CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2005-08-11   
323-275 9 Los Angeles: DA 04 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-08-07   
323-276 A Los Angeles: DA 04 CA LSANCA23DS0  9740 PACIFIC BELL 730      
323-277 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-278 A Montebello CA LSANCA35DS1  9740 PACIFIC BELL 730      
323-279 A Los Angeles: DA 08 CA LSANCA01XSY  9748 AMERICAN MESSAGING SERVICES, LLC 730      
323-280 A Los Angeles: DA 02 CA LSANCA039MD  6906 AMERICAN MESSAGING SERVICES, LLC 730      
323-281 A Montebello CA ONTRCAXPXAY  6967 33 WIRELESS INC. 730      
323-282 A Los Angeles: DA 06 CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-282 0 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-02-15   
323-282 1 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-02-15   
323-282 2 Los Angeles: DA 06 CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-282 3 Los Angeles: DA 06 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-07-14   
323-282 4 Los Angeles: DA 06 CA LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
323-282 5 Los Angeles: DA 06 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-12-04   
323-282 6 Los Angeles: DA 06 CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2008-02-15   
323-282 7 Los Angeles: DA 06 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-07-15   

<< 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 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.