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: 251 [Rate centres in NPA 251] [Dial plan for NPA 251]

NXX: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-998 A Mobile AL   145J TERRA NOVA TELECOM INC. 480   2025-08-17   
251-998 8 Mobile AL   145J TERRA NOVA TELECOM INC. 480   2025-08-17   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.