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
323-810 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-812 A Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-813 A Los Angeles: DA 08 CA BLFLCA01DS0  8322 MPOWER COMMUNICATIONS CORP - CA 730      
323-814 A Los Angeles: DA 09 CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
323-815 A Los Angeles: DA 12 CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-816 A Montebello CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM L.P. 730      
323-817 A Los Angeles: DA 14 CA HLWDCA01DS0  9740 PACIFIC BELL 730      
323-818 A Los Angeles: DA 03 CA LSANCARCD9S  4129 O1 COMMUNICATIONS, INC. - CA 730      
323-819 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-820 A Los Angeles: DA 09 CA LSANCA13DS0  9740 PACIFIC BELL 730      
323-821 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-822 A Los Angeles: DA 14 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-823 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-824 A Los Angeles: DA 09 CA LSANCARC80Z  6906 AMERICAN MESSAGING SERVICES, LLC 730      
323-825 A Los Angeles: DA 05 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-826 A Los Angeles: DA 06 CA HNPKCA01DS0  9740 PACIFIC BELL 730      
323-827 A Montebello CA ONTRCAOI9MD  6664 SPRINT SPECTRUM L.P. 730      
323-828 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-829 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-830 A Los Angeles: DA 14 CA ELMNCAFIGT1  899D METROPCS NETWORKS, LLC 730      
323-831 A Los Angeles: DA 05 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
323-832 A Montebello CA LSANCA35DS0  9740 PACIFIC BELL 730      
323-833 A Los Angeles: DA 09 CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM L.P. 730      
323-834 A Los Angeles: DA 09 CA BLFLCA01DS0  8322 MPOWER COMMUNICATIONS CORP - CA 730      
323-835 A Los Angeles: DA 06 CA BLFLCA01DS0  8322 MPOWER COMMUNICATIONS CORP - CA 730      
323-836 A Los Angeles: DA 14 CA HLWDCA01DS0  9740 PACIFIC BELL 730      
323-837 A Montebello CA LSANCA35DS1  9740 PACIFIC BELL 730      
323-838 A Montebello CA LSANCA35DS0  9740 PACIFIC BELL 730      
323-839 A Los Angeles: DA 14 CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM L.P. 730      
323-840 A Los Angeles: DA 11 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
323-841 A Los Angeles: DA 09 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
323-842 A Los Angeles: DA 03 CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730      
323-843 A Los Angeles: DA 05 CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
323-844 A Los Angeles: DA 08 CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
323-845 A Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-846 A Los Angeles: DA 08 CA LSANCA14DS0  9740 PACIFIC BELL 730      
323-847 A Los Angeles: DA 13 CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
323-848 A Los Angeles: DA 14 CA LSANCA08DS0  9740 PACIFIC BELL 730      
323-849 A Los Angeles: DA 14 CA BRBNCA11DS0  9740 PACIFIC BELL 730      
323-850 A Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-851 A Los Angeles: DA 14 CA LSANCA29DS0  9740 PACIFIC BELL 730      
323-852 A Los Angeles: DA 13 CA LSANCA08DS1  9740 PACIFIC BELL 730      
323-853 A Montebello CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
323-854 A Los Angeles: DA 14 CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-01-20   
323-855 A Los Angeles: DA 12 CA BRBNCAIZ9MD  6664 SPRINT SPECTRUM L.P. 730      
323-856 A Los Angeles: DA 14 CA HLWDCA01DS1  9740 PACIFIC BELL 730      
323-857 A Los Angeles: DA 13 CA LSANCA10DS1  9740 PACIFIC BELL 730      
323-858 A Los Angeles: DA 03 CA LSANCAJWCM0  6630 USA MOBILITY WIRELESS, INC. 730   2021-02-02   
323-859 A Los Angeles: DA 05 CA LSANCAGJDS4  7453 U.S. TELEPACIFIC CORP. - CA 730      
323-860 A Los Angeles: DA 14 CA HLWDCA01DS0  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: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.