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: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-257 A Belle Fontaine AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-257 0 Belle Fontaine AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-257 1 Belle Fontaine AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-257 2 Belle Fontaine AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-257 3 Belle Fontaine AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-257 4 Belle Fontaine AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-257 5 Belle Fontaine AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-257 6 Belle Fontaine AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480      
251-257 7 Belle Fontaine AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-257 8 Belle Fontaine AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480      
251-257 9 Belle Fontaine AL MOBLALIHG02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 480      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.