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: 447 [Rate centres in NPA 447] [Dial plan for NPA 447]

NXX: 227

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-227 A Paxton IL CHMPILCPOMD  224C ONVOY, LLC 370      
447-227 0 Paxton IL CHMPILCPX5Y  624H ONVOY SPECTRUM, LLC 370   2024-05-17   
447-227 2 Paxton IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-08-12   
447-227 3 Paxton IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-08-12   
447-227 4 Paxton IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-06-17   
447-227 7 Paxton IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-07-04   
447-227 8 Paxton IL CHMPILCPOMD  224C ONVOY, LLC 370   2021-07-04   
447-227 9 Paxton IL CHMPILCPXBY  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 370   2022-09-13   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.