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: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
484-858 A Hellertown PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228      
484-858 0 Hellertown PA PHLAPAMK20Z  002F BANDWIDTH.COM CLEC, LLC - PA 228      
484-858 4 Hellertown PA PHLAPAMKXCX  318J COMCAST IP PHONE, LLC 228      
484-858 5 Hellertown PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      
484-858 6 Hellertown PA PHLAPAMKX4X  624H ONVOY SPECTRUM, LLC 228      
484-858 7 Hellertown PA PHLAPAFGD2S  547E ONVOY, LLC - PA 228      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.