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: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
484-270 A Philadelphia Suburban Zone 23 PA PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      
484-270 0 Philadelphia Suburban Zone 23 PA PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      
484-270 1 Philadelphia Suburban Zone 23 PA PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      
484-270 2 Philadelphia Suburban Zone 23 PA PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      
484-270 3 Philadelphia Suburban Zone 23 PA PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      
484-270 4 Philadelphia Suburban Zone 23 PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-12-12   
484-270 5 Philadelphia Suburban Zone 23 PA LPTPPAMAGT3  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 228   2022-07-19   
484-270 6 Philadelphia Suburban Zone 23 PA PHLAPAFGD0S  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 228   2005-12-12   
484-270 7 Philadelphia Suburban Zone 23 PA   3806 CORE COMMUNICATIONS, INC. - PA 228   2018-10-26   
484-270 8 Philadelphia Suburban Zone 23 PA PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228   2003-07-14   
484-270 9 Philadelphia Suburban Zone 23 PA PHLAPAFGX1Y  2514 US LEC OF PENNSYLVANIA, INC. 228      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.