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: 763

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-763 A Alliance NE ALNCNENWRS1  9631 QWEST CORPORATION 646      
308-763 0 Alliance NE   9631 QWEST CORPORATION 646      
308-763 1 Alliance NE   6874 N.E. COLORADO CELLULAR, INC. 646   2004-08-27   
308-763 2 Alliance NE   9631 QWEST CORPORATION 646      
308-763 3 Alliance NE   9631 QWEST CORPORATION 646      
308-763 4 Alliance NE   9631 QWEST CORPORATION 646      
308-763 5 Alliance NE   9631 QWEST CORPORATION 646      
308-763 6 Alliance NE   9631 QWEST CORPORATION 646      
308-763 7 Alliance NE   9631 QWEST CORPORATION 646      
308-763 8 Alliance NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646   2007-02-09   
308-763 9 Alliance NE   5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646   2007-02-09   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.