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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-800 A Mobile AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-800 0 Mobile AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-800 1 Mobile AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480      
251-800 2 Mobile AL MOBMALZY2MD  5562 METROPCS, INC. 480      
251-800 3 Mobile AL MOBLALAZ4MD  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480      
251-800 4 Mobile AL   829J PAETEC ITEL, LLC 480      
251-800 5 Mobile AL   829J PAETEC ITEL, LLC 480      
251-800 6 Mobile AL MOBLALAZXSY  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480      
251-800 7 Mobile AL MOBLALAZ4MD  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 480      
251-800 8 Mobile AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-800 9 Mobile AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.