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: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-255 A Evergreen AL MOBLAL02CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 480      
251-255 0 Evergreen AL MOBLAL02CM2  6744 SOUTHERN COMMUNICATIONS SERVICES, INC. 480      
251-255 1 Evergreen AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-255 2 Evergreen AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-255 3 Evergreen AL MOBLALAZXWY  7221 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AL 480      
251-255 4 Evergreen AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-255 5 Evergreen AL MOBLALAZXUY  072F BANDWIDTH.COM CLEC, LLC - AL 480      
251-255 6 Evergreen AL MOBLALAZXUY  072F BANDWIDTH.COM CLEC, LLC - AL 480      
251-255 7 Evergreen AL MOBLALAZXUY  072F BANDWIDTH.COM CLEC, LLC - AL 480      
251-255 8 Evergreen AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-255 9 Evergreen AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.