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: 813

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
308-813 A Heartwell NE GDISNENWJMD  549E ONVOY, LLC - NE 646      
308-813 2 Heartwell NE   549E ONVOY, LLC - NE 646   2021-12-09   
308-813 8 Heartwell NE   549E ONVOY, LLC - NE 646   2021-07-06   

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

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