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: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
256-408 A Ashland AL BRHMALWDXMD  4615 DELTACOM, INC. - AL 476      
256-408 0 Ashland AL BRHMALWDXMD  4615 DELTACOM, INC. - AL 476      
256-408 1 Ashland AL BRHMALWDXMD  4615 DELTACOM, INC. - AL 476      
256-408 2 Ashland AL BRHMALWDXMD  4615 DELTACOM, INC. - AL 476      
256-408 3 Ashland AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2020-09-12   
256-408 4 Ashland AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2018-09-23   
256-408 5 Ashland AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2020-09-12   
256-408 6 Ashland AL BRHMALWDXMD  4615 DELTACOM, INC. - AL 476      
256-408 7 Ashland AL BRHMALMT84Z  7575 CENTURYLINK COMMUNICATIONS LLC 476   2014-03-25   
256-408 8 Ashland AL BRHMALMTY2X  073H TELNYX LLC 476   2020-05-01   
256-408 9 Ashland AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2020-09-12   

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.