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: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
479-657 A Bentonville AR FYVLARAT8MD  7421 AT&T - LOCAL 526      
479-657 0 Bentonville AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 526   2014-06-06   
479-657 1 Bentonville AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 526   2014-06-06   
479-657 2 Bentonville AR   318J COMCAST IP PHONE, LLC 526   2010-03-10   
479-657 3 Bentonville AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 526   2014-06-06   
479-657 4 Bentonville AR   7421 AT&T - LOCAL 526      
479-657 5 Bentonville AR   6529 T-MOBILE USA, INC. 526   2011-01-17   
479-657 6 Bentonville AR   318J COMCAST IP PHONE, LLC 526   2006-04-03   
479-657 7 Bentonville AR   7421 AT&T - LOCAL 526      
479-657 8 Bentonville AR   6529 T-MOBILE USA, INC. 526   2011-01-17   
479-657 9 Bentonville AR   7421 AT&T - LOCAL 526      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.