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: 436

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
484-436 A Philadelphia Suburban Zone 23 PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-436 0 Philadelphia Suburban Zone 23 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2004-04-19   
484-436 1 Philadelphia Suburban Zone 23 PA PHLAPAFGXCX  073H TELNYX LLC 228   2021-03-22   
484-436 2 Philadelphia Suburban Zone 23 PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-436 3 Philadelphia Suburban Zone 23 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-436 4 Philadelphia Suburban Zone 23 PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228      
484-436 5 Philadelphia Suburban Zone 23 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-436 6 Philadelphia Suburban Zone 23 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2019-03-27   
484-436 7 Philadelphia Suburban Zone 23 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-09   
484-436 8 Philadelphia Suburban Zone 23 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-09   
484-436 9 Philadelphia Suburban Zone 23 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-06-09   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.