Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 923

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-923 A Oregon WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-05-06   
608-923 0 Oregon WI MDSNWI11XAX  225C ONVOY, LLC - WI 354   2024-05-06   
608-923 1 Oregon WI   225C ONVOY, LLC - WI 354   2025-05-09   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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