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: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-380 A Skyline AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-380 0 Skyline AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-380 1 Skyline AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-380 2 Skyline AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-380 3 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-11   
256-380 4 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-03-11   
256-380 5 Skyline AL HNVIALUNX6X  604E ONVOY, LLC - AL 477   2019-10-12   
256-380 6 Skyline AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      
256-380 7 Skyline AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477   2013-10-11   
256-380 8 Skyline AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477   2016-11-27   
256-380 9 Skyline AL HNVIALUNXTZ  829J PAETEC ITEL, LLC 477      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.