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: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
251-237 A Flomaton AL   829J PAETEC ITEL, LLC 480      
251-237 0 Flomaton AL   829J PAETEC ITEL, LLC 480      
251-237 1 Flomaton AL MOBLALAZXUY  072F BANDWIDTH.COM CLEC, LLC - AL 480      
251-237 2 Flomaton AL   829J PAETEC ITEL, LLC 480      
251-237 3 Flomaton AL MOBLALAZXUY  072F BANDWIDTH.COM CLEC, LLC - AL 480      
251-237 4 Flomaton AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-237 5 Flomaton AL MOBLALAZXSY  8271 TELEPORT COMMUNICATIONS AMERICA, LLC - AL 480      
251-237 6 Flomaton AL   829J PAETEC ITEL, LLC 480      
251-237 7 Flomaton AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-237 8 Flomaton AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      
251-237 9 Flomaton AL MOBLALAZX6Z  604E ONVOY, LLC - AL 480      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.