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: 841

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-841 A Cullman AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-841 0 Cullman AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-841 1 Cullman AL DCTRALGU0MD  349D CHARTER FIBERLINK - ALABAMA, LLC - AL 477      
256-841 2 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      
256-841 3 Cullman AL HNVIAL180MD  7469 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 477      
256-841 4 Cullman AL HNVIALUNX0X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 477      
256-841 5 Cullman AL DCTRALGU0MD  349D CHARTER FIBERLINK - ALABAMA, LLC - AL 477      
256-841 6 Cullman AL DCTRALGU0MD  349D CHARTER FIBERLINK - ALABAMA, LLC - AL 477      
256-841 7 Cullman AL HNVIALUNXIX  072F BANDWIDTH.COM CLEC, LLC - AL 477      
256-841 8 Cullman AL HNVIALUNX6X  604E ONVOY, LLC - AL 477      
256-841 9 Cullman AL HNVIALODAMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 477      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.