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.

Delta, AL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
256-402 A BRHMALMTYRX  829J PAETEC ITEL, LLC 476      
256-402 0   829J PAETEC ITEL, LLC 476      
256-402 1   829J PAETEC ITEL, LLC 476      
256-402 2   829J PAETEC ITEL, LLC 476      
256-402 3   604E ONVOY, LLC - AL 476   2020-01-11   
256-402 4   604E ONVOY, LLC - AL 476   2020-01-11   
256-402 5   604E ONVOY, LLC - AL 476   2020-05-31   
256-402 6   829J PAETEC ITEL, LLC 476      
256-402 7   5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476   2014-03-25   
256-402 8   073H TELNYX LLC 476   2020-05-01   
256-402 9   604E ONVOY, LLC - AL 476   2020-05-31   
256-488 A DELTALXARS0  9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
256-488 0   604E ONVOY, LLC - AL 476   2019-01-18   
256-488 1   604E ONVOY, LLC - AL 476   2019-01-18   
256-488 2   792K CHARTER IP ENABLED SERVICES, LLC 476   2012-05-01   
256-488 3   604E ONVOY, LLC - AL 476   2020-06-20   
256-488 4   604E ONVOY, LLC - AL 476   2018-09-23   
256-488 5   9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
256-488 6   476F CORETEL ALABAMA, INC. - AL 476   2019-05-20   
256-488 7   476F CORETEL ALABAMA, INC. - AL 476   2019-05-20   
256-488 8   476F CORETEL ALABAMA, INC. - AL 476   2019-05-20   
256-488 9   9789 BRIGHTSPEED OF ALABAMA, LLC - NORTHERN 476      
938-388 A BRHMALHRGMD  965H FRACTEL, LLC 476      
938-388 0   624H ONVOY SPECTRUM, LLC 476   2023-06-23   
938-388 1   604E ONVOY, LLC - AL 476   2023-09-10   
938-388 2   604E ONVOY, LLC - AL 476   2021-06-20   
938-388 3   145J TERRA NOVA TELECOM INC. 476   2025-07-20   
938-388 4   604E ONVOY, LLC - AL 476   2021-02-07   
938-388 5   604E ONVOY, LLC - AL 476   2021-02-07   
938-388 6   604E ONVOY, LLC - AL 476   2021-07-29   
938-388 7   604E ONVOY, LLC - AL 476   2022-03-14   
938-388 8   965H FRACTEL, LLC 476   2020-09-07   
938-388 9   604E ONVOY, LLC - AL 476   2022-11-28   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.