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: 308 [Rate centres in NPA 308] [Dial plan for NPA 308]

NXX: 303

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-303 A Cairo NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-303 0 Cairo NE GDISNEBV5MD  939H COMMIO, LLC 646      
308-303 1 Cairo NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-303 2 Cairo NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-303 3 Cairo NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-303 4 Cairo NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-303 5 Cairo NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-303 6 Cairo NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-303 7 Cairo NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-303 8 Cairo NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-303 9 Cairo NE GDISNENW6MD  3233 LEVEL 3 COMMUNICATIONS, LLC - NE 646      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.