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: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
447-837 A Buffalo IL SPFDILESXXX  516J TON80 COMMUNICATIONS, LLC 374      
447-837 0 Buffalo IL CHMPILCP11Z  490J DISH WIRELESS, LLC 374   2022-12-01   
447-837 4 Buffalo IL SPFDILESXXX  516J TON80 COMMUNICATIONS, LLC 374   2022-04-25   
447-837 6 Buffalo IL SPFDILSDX2X  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 374   2023-02-11   
447-837 8 Buffalo IL SPFDILES8MD  939H COMMIO, LLC 374   2022-11-26   
447-837 9 Buffalo IL SPFDILESDS3  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2022-05-20   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.