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: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-633 A Florence AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477      
256-633 0 Florence AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477      
256-633 1 Florence AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2017-09-22   
256-633 2 Florence AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2020-03-19   
256-633 3 Florence AL HNVIAL03X9Y  5562 METROPCS, INC. 477   2020-01-28   
256-633 4 Florence AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2021-03-04   
256-633 5 Florence AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2017-01-06   
256-633 6 Florence AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2017-01-06   
256-633 7 Florence AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477   2018-07-23   
256-633 8 Florence AL HNVIAL03X9Y  5562 METROPCS, INC. 477   2016-12-23   
256-633 9 Florence AL HNVIAL18X4X  6804 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL 477      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.