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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
479-255 A Hackett AR FYVLARHI4MD  318J COMCAST IP PHONE, LLC 526      
479-255 0 Hackett AR   348F ONVOY, LLC - AR 526   2020-06-28   
479-255 1 Hackett AR   348F ONVOY, LLC - AR 526   2020-02-02   
479-255 2 Hackett AR   348F ONVOY, LLC - AR 526   2018-11-05   
479-255 3 Hackett AR   318J COMCAST IP PHONE, LLC 526   2018-03-27   
479-255 4 Hackett AR   348F ONVOY, LLC - AR 526   2020-02-02   
479-255 5 Hackett AR   196F BANDWIDTH.COM CLEC, LLC - AR 526   2019-09-27   
479-255 6 Hackett AR   318J COMCAST IP PHONE, LLC 526      
479-255 7 Hackett AR   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 526   2015-01-06   
479-255 8 Hackett AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 526   2016-07-19   
479-255 9 Hackett AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 526   2013-04-14   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.