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: 814 [Rate centres in NPA 814] [Dial plan for NPA 814]

NXX: 933

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
814-933 A Bellefonte PA ALNAPAALX4X  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 230      
814-933 0 Bellefonte PA ALNAPAALX4X  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 230   2005-04-11   
814-933 1 Bellefonte PA ALNAPAALX4X  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 230      
814-933 2 Bellefonte PA ALNAPAALX0Y  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 230   2006-12-03   
814-933 3 Bellefonte PA ALNAPAALXGX  547E ONVOY, LLC - PA 230   2023-07-06   
814-933 4 Bellefonte PA ALNAPAALX0Y  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 230   2014-08-01   
814-933 5 Bellefonte PA ALNAPAALXDX  002F BANDWIDTH.COM CLEC, LLC - PA 230   2013-09-28   
814-933 6 Bellefonte PA ALNAPAALX0Y  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 230   2005-07-15   
814-933 7 Bellefonte PA ALNAPAALX0Y  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 230   2005-09-04   
814-933 8 Bellefonte PA ALNAPAALX0Y  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 230   2006-03-09   
814-933 9 Bellefonte PA ALNAPAALX0Y  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 230   2006-10-08   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.