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: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
479-237 A Russellville AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528      
479-237 0 Russellville AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2011-07-17   
479-237 5 Russellville AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2011-10-18   
479-237 6 Russellville AR NLRKAR446MD  6529 T-MOBILE USA, INC. 528   2011-10-18   
479-237 8 Russellville AR LTRKARZO6MD  516J TON80 COMMUNICATIONS, LLC 528   2022-03-14   
479-237 9 Russellville AR RLVLARXASMD  348F ONVOY, LLC - AR 528   2023-10-08   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.