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: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-661 A Grand Island NE GDISNENWX3X  197D VONAGE AMERICA LLC 646      
308-661 0 Grand Island NE GDISNENWX3X  197D VONAGE AMERICA LLC 646   2019-11-10   
308-661 1 Grand Island NE   710A ALLO COMMUNICATIONS, LLC - NE 646   2024-08-30   
308-661 4 Grand Island NE GDISNENWX3X  197D VONAGE AMERICA LLC 646   2024-06-10   
308-661 5 Grand Island NE GDISNENWXDX  624H ONVOY SPECTRUM, LLC 646   2024-10-23   
308-661 6 Grand Island NE GDISNENWXDX  624H ONVOY SPECTRUM, LLC 646   2024-10-23   
308-661 7 Grand Island NE GDISNENWXDX  624H ONVOY SPECTRUM, LLC 646   2024-10-23   
308-661 8 Grand Island NE GDISNENWXDX  624H ONVOY SPECTRUM, LLC 646   2024-10-23   

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

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