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: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
484-391 A Philadelphia Suburban Zone 29 PA   829J PAETEC ITEL, LLC 228   2025-03-11   
484-391 2 Philadelphia Suburban Zone 29 PA   829J PAETEC ITEL, LLC 228      
484-391 7 Philadelphia Suburban Zone 29 PA ALTWPAALPMD  7513 CTSI, INC. - PA 228   2006-10-29   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.