Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 308 [Rate centres in NPA 308] [Dial plan for NPA 308]

NXX: 663

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-663 A Grand Island NE GDISNENWKMD  7144 TELEPORT COMMUNICATIONS AMERICA, LLC - NE 646      
308-663 3 Grand Island NE GDISNENWX5X  5807 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NE 646   2018-09-06   
308-663 6 Grand Island NE GDISNENWKMD  7144 TELEPORT COMMUNICATIONS AMERICA, LLC - NE 646   2010-01-16   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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