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: 256 [Rate centres in NPA 256] [Dial plan for NPA 256]

NXX: 291

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-291 A Russellville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477      
256-291 0 Russellville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-05-16   
256-291 1 Russellville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-05-16   
256-291 2 Russellville AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2016-07-16   
256-291 3 Russellville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-07-18   
256-291 4 Russellville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2016-07-18   
256-291 5 Russellville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2016-10-02   
256-291 6 Russellville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2016-10-02   
256-291 7 Russellville AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477   2016-10-02   
256-291 8 Russellville AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2017-07-07   
256-291 9 Russellville AL HNVIAL969MD  073H TELNYX LLC 477   2018-12-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.