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: 484 [Rate centres in NPA 484] [Dial plan for NPA 484]

NXX: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
484-291 A Nazareth PA   829J PAETEC ITEL, LLC 228   2025-03-11   
484-291 0 Nazareth PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2004-04-19   
484-291 1 Nazareth PA   002F BANDWIDTH.COM CLEC, LLC - PA 228   2013-01-12   
484-291 2 Nazareth PA   7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 228   2006-07-31   
484-291 3 Nazareth PA   547E ONVOY, LLC - PA 228   2016-03-10   
484-291 4 Nazareth PA   002F BANDWIDTH.COM CLEC, LLC - PA 228   2010-02-28   
484-291 5 Nazareth PA   547E ONVOY, LLC - PA 228   2016-03-10   
484-291 6 Nazareth PA   829J PAETEC ITEL, LLC 228      
484-291 7 Nazareth PA   547E ONVOY, LLC - PA 228   2020-08-17   
484-291 8 Nazareth PA   551G NUSO, LLC 228   2016-09-23   
484-291 9 Nazareth PA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 228   2007-09-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.