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: 385

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
424-385 A Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
424-385 0 Culver City CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2015-04-30   
424-385 1 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 2 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 3 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 4 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 5 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-04-17   
424-385 6 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-22   
424-385 7 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-22   
424-385 8 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-22   
424-385 9 Culver City CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2015-03-21   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.