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]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-351 A Los Angeles: DA 06 CA LNBHCATVDS0  7262 XO CALIFORNIA, INC. 730      
323-351 0 Los Angeles: DA 06 CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-10-04   
323-351 1 Los Angeles: DA 06 CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-08-19   
323-351 2 Los Angeles: DA 06 CA   7262 XO CALIFORNIA, INC. 730      
323-351 3 Los Angeles: DA 06 CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-08-19   
323-351 4 Los Angeles: DA 06 CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-09-25   
323-351 5 Los Angeles: DA 06 CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-09-25   
323-351 6 Los Angeles: DA 06 CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-09-25   
323-351 7 Los Angeles: DA 06 CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-09-25   
323-351 8 Los Angeles: DA 06 CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-09-25   
323-351 9 Los Angeles: DA 06 CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-09-25   

Last updated: Wed, 01 Apr 2020 02:09:16 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.