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 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-313 0 Montebello CA   649C ONVOY, LLC - CA 730      
323-313 1 Montebello CA   6529 T-MOBILE USA, INC. 730      
323-313 2 Montebello CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-05-22   
323-313 3 Montebello CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-05-22   
323-313 4 Montebello CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-09-10   
323-313 5 Montebello CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-09-10   
323-313 6 Montebello CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-04-07   
323-313 7 Montebello CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-12-20   
323-313 8 Montebello CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-12-20   
323-313 9 Montebello CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-12-20   
323-314 A Montebello CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
323-315 A Los Angeles: DA 02 CA LSAJCAWZDS1  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-315 0 Los Angeles: DA 02 CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2007-12-04   
323-315 1 Los Angeles: DA 02 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-315 2 Los Angeles: DA 02 CA   8827 BROADWING COMMUNICATIONS, LLC - CA 730   2004-10-28   
323-315 3 Los Angeles: DA 02 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-315 4 Los Angeles: DA 02 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-315 5 Los Angeles: DA 02 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-315 6 Los Angeles: DA 02 CA   7262 XO CALIFORNIA, INC. 730   2006-07-24   
323-315 7 Los Angeles: DA 02 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-315 8 Los Angeles: DA 02 CA   899D METROPCS NETWORKS, LLC 730   2009-01-04   
323-315 9 Los Angeles: DA 02 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-316 A Los Angeles: DA 03 CA LSAJCAWZDS1  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-316 0 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2004-07-17   
323-316 1 Los Angeles: DA 03 CA   4129 O1 COMMUNICATIONS, INC. - CA 730   2003-10-20   
323-316 2 Los Angeles: DA 03 CA   4129 O1 COMMUNICATIONS, INC. - CA 730   2003-10-20   
323-316 3 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2004-07-17   
323-316 4 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2003-08-27   
323-316 5 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2003-08-27   
323-316 6 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2003-08-27   
323-316 7 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2003-08-27   
323-316 8 Los Angeles: DA 03 CA   6529 T-MOBILE USA, INC. 730   2003-08-27   
323-316 9 Los Angeles: DA 03 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-317 A Los Angeles: DA 04 CA LSAJCAWZDS1  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-317 0 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2003-12-31   
323-317 1 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2003-12-31   
323-317 2 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2003-12-31   
323-317 3 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2004-07-04   
323-317 4 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2004-07-22   
323-317 5 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2004-12-02   
323-317 6 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2004-12-02   
323-317 7 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2005-02-03   
323-317 8 Los Angeles: DA 04 CA   6529 T-MOBILE USA, INC. 730   2005-03-18   
323-317 9 Los Angeles: DA 04 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-318 A Los Angeles: DA 05 CA LSAJCAWZDS1  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-318 0 Los Angeles: DA 05 CA   6529 T-MOBILE USA, INC. 730   2005-04-16   
323-318 1 Los Angeles: DA 05 CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730      
323-318 2 Los Angeles: DA 05 CA   776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2005-08-28   
323-318 3 Los Angeles: DA 05 CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2015-04-19   
323-318 4 Los Angeles: DA 05 CA   6529 T-MOBILE USA, INC. 730   2005-09-01   

<< 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 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 >>

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.