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: 241

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-241 A Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
341-241 0 Hayward CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-09-21   
341-241 1 Hayward CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-09-21   
341-241 2 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-11   
341-241 3 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-11   
341-241 4 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-11   
341-241 5 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-11   
341-241 6 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-10-29   
341-241 7 Hayward CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-09-21   
341-241 8 Hayward CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-09-21   
341-241 9 Hayward CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2022-09-21   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.