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: 418

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
484-418 A Philadelphia Suburban Zone 24 PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-418 0 Philadelphia Suburban Zone 24 PA   515J IP HORIZON LLC 228   2016-05-31   
484-418 2 Philadelphia Suburban Zone 24 PA   4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-418 4 Philadelphia Suburban Zone 24 PA   547E ONVOY, LLC - PA 228   2021-02-25   
484-418 5 Philadelphia Suburban Zone 24 PA   547E ONVOY, LLC - PA 228   2021-02-25   
484-418 8 Philadelphia Suburban Zone 24 PA   002F BANDWIDTH.COM CLEC, LLC - PA 228   2008-09-14   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.