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: 341 [Rate centres in NPA 341] [Dial plan for NPA 341]

NXX: 245

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-245 A Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-29   
341-245 0 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-29   
341-245 1 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-29   
341-245 2 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-29   
341-245 3 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-29   
341-245 4 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-29   
341-245 5 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-29   
341-245 6 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-29   
341-245 7 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-03-29   
341-245 8 Hayward CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-04-30   
341-245 9 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-07-27   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.