Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 878 [Rate centres in NPA 878] [Dial plan for NPA 878]

NXX: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-668 A Enon Valley PA ENVYPAXEPS0  0176 WINDSTREAM PENNSYLVANIA, INC. 234      
878-668 0 Enon Valley PA   321J HD CARRIER LLC 234   2017-02-27   
878-668 1 Enon Valley PA   321J HD CARRIER LLC 234   2016-05-20   
878-668 2 Enon Valley PA   321J HD CARRIER LLC 234   2016-05-20   
878-668 3 Enon Valley PA   321J HD CARRIER LLC 234   2016-05-20   
878-668 4 Enon Valley PA   321J HD CARRIER LLC 234   2016-05-20   
878-668 5 Enon Valley PA   321J HD CARRIER LLC 234   2016-05-20   
878-668 6 Enon Valley PA   321J HD CARRIER LLC 234   2016-05-20   
878-668 7 Enon Valley PA   321J HD CARRIER LLC 234   2016-05-20   
878-668 8 Enon Valley PA   321J HD CARRIER LLC 234   2016-05-20   
878-668 9 Enon Valley PA   0176 WINDSTREAM PENNSYLVANIA, INC. 234   2015-06-19   

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

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