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: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-279 A Bridgeport NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-279 0 Bridgeport NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-279 1 Bridgeport NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-279 2 Bridgeport NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-279 3 Bridgeport NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      
308-279 4 Bridgeport NE KRNYNEXG7MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 646   2016-11-14   
308-279 7 Bridgeport NE GDISNENWUMD  508J CENTURYLINK COMMUNICATIONS, LLC 646   2015-01-06   
308-279 8 Bridgeport NE SCTSNEXUIMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 646   2020-10-16   
308-279 9 Bridgeport NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.