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: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-313 A Alliance NE HMFRNEXSDS0  9764 MOBIUS COMMUNICATIONS COMPANY - NE 646      
308-313 0 Alliance NE GDISNEBV5MD  939H COMMIO, LLC 646   2022-07-18   
308-313 2 Alliance NE GDISNENW6MD  3233 LEVEL 3 COMMUNICATIONS, LLC - NE 646   2023-01-23   
308-313 3 Alliance NE GDISNENWGMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 646   2015-03-16   
308-313 5 Alliance NE HMFRNEXSDS0  9764 MOBIUS COMMUNICATIONS COMPANY - NE 646   2010-04-16   
308-313 6 Alliance NE GDISNENWKMD  7144 TELEPORT COMMUNICATIONS AMERICA, LLC - NE 646   2023-09-02   
308-313 7 Alliance NE GDISNENWUMD  508J CENTURYLINK COMMUNICATIONS, LLC 646   2015-01-06   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.