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: 234

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-234 A Oakland: Alameda DA CA SNJUCACL7MD  965H FRACTEL, LLC 722      
341-234 0 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-03-15   
341-234 1 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-03-15   
341-234 2 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-03-15   
341-234 3 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-03-15   
341-234 4 Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-03-15   
341-234 5 Oakland: Alameda DA CA SNJUCACL7MD  965H FRACTEL, LLC 722   2021-03-14   
341-234 6 Oakland: Alameda DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-06-26   
341-234 7 Oakland: Alameda DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-06-26   
341-234 8 Oakland: Alameda DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2021-06-05   
341-234 9 Oakland: Alameda DA CA SNFCCAMKX6Y  515J IP HORIZON LLC 722   2021-05-01   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.