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: 424 [Rate centres in NPA 424] [Dial plan for NPA 424]

NXX: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-877 A Santa Monica: Santa Monica DA CA LSANCAJWIMD  965H FRACTEL, LLC 730      
424-877 0 Santa Monica: Santa Monica DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-04-01   
424-877 1 Santa Monica: Santa Monica DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-07-12   
424-877 2 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-03-25   
424-877 3 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-03-25   
424-877 5 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-03-25   
424-877 6 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-03-25   
424-877 7 Santa Monica: Santa Monica DA CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-07-26   
424-877 8 Santa Monica: Santa Monica DA CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2022-12-12   
424-877 9 Santa Monica: Santa Monica DA CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-03-25   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.