Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 402 [Rate centres in NPA 402] [Dial plan for NPA 402]

NXX: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
402-623 A Ithaca NE ITHCNEXLRS0  1568 WINDSTREAM NEBRASKA, INC. 958      
402-623 0 Ithaca NE   995E BANDWIDTH.COM CLEC, LLC - NE 958   2012-01-05   
402-623 1 Ithaca NE   624H ONVOY SPECTRUM, LLC 958   2024-03-09   
402-623 3 Ithaca NE   549E ONVOY, LLC - NE 958   2021-03-15   
402-623 4 Ithaca NE   1568 WINDSTREAM NEBRASKA, INC. 958      
402-623 5 Ithaca NE   549E ONVOY, LLC - NE 958   2021-03-15   
402-623 6 Ithaca NE   549E ONVOY, LLC - NE 958   2019-04-18   
402-623 7 Ithaca NE   508J CENTURYLINK COMMUNICATIONS, LLC 958   2014-07-25   
402-623 9 Ithaca NE   1568 WINDSTREAM NEBRASKA, INC. 958      

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

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