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: 412 [Rate centres in NPA 412] [Dial plan for NPA 412]

NXX: 634

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-634 A Elizabeth PA ELZBPAELRS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-634 0 Elizabeth PA   002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-03-11   
412-634 1 Elizabeth PA   002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-03-11   
412-634 2 Elizabeth PA   002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-03-11   
412-634 3 Elizabeth PA   9208 VERIZON PENNSYLVANIA, INC. 234   2019-01-25   
412-634 4 Elizabeth PA   002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-03-11   
412-634 5 Elizabeth PA   002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-03-11   
412-634 6 Elizabeth PA   002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-03-11   
412-634 8 Elizabeth PA   547E ONVOY, LLC - PA 234   2019-09-21   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.