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: 479 [Rate centres in NPA 479] [Dial plan for NPA 479]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
479-400 A Prairie Grove AR FYVLARHI4MD  318J COMCAST IP PHONE, LLC 526      
479-400 0 Prairie Grove AR FYVLARATPMD  073H TELNYX LLC 526   2023-11-10   
479-400 1 Prairie Grove AR FYVLARATRMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 526   2018-04-24   
479-400 2 Prairie Grove AR FYVLARHI4MD  318J COMCAST IP PHONE, LLC 526   2018-03-28   
479-400 4 Prairie Grove AR FTSMAR0800Z  490J DISH WIRELESS, LLC 526   2022-12-19   
479-400 6 Prairie Grove AR FYVLARHI4MD  318J COMCAST IP PHONE, LLC 526   2010-12-04   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.