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: 840 [Rate centres in NPA 840] [Dial plan for NPA 840]

NXX: 888

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-888 A Redlands CA LSANCAJWHMD  145J TERRA NOVA TELECOM INC. 730      
840-888 0 Redlands CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-03-21   
840-888 1 Redlands CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-05-07   
840-888 2 Redlands CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-03-05   
840-888 3 Redlands CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-03-05   
840-888 4 Redlands CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-03-05   
840-888 5 Redlands CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-05-07   
840-888 6 Redlands CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-05-07   
840-888 7 Redlands CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2021-05-16   
840-888 8 Redlands CA   145J TERRA NOVA TELECOM INC. 730   2021-02-23   
840-888 9 Redlands CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-04-10   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.