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: 290

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-290 A Dannebrog NE GDISNEAS69Z  490J BOOST SUBSCRIBERCO L.L.C. 646      
308-290 0 Dannebrog NE GDISNEAS69Z  490J BOOST SUBSCRIBERCO L.L.C. 646   2023-09-11   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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