Local Calling Guide

Area code/prefix search

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NPA: 878 [Rate centres in NPA 878] [Dial plan for NPA 878]

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
878-257 A Taylorstown PA   547E ONVOY, LLC - PA 234      
878-257 0 Taylorstown PA   073H TELNYX LLC 234   2021-03-13   
878-257 1 Taylorstown PA   624H ONVOY SPECTRUM, LLC 234   2021-11-26   
878-257 3 Taylorstown PA   547E ONVOY, LLC - PA 234   2019-10-05   
878-257 4 Taylorstown PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2019-03-27   
878-257 5 Taylorstown PA   547E ONVOY, LLC - PA 234   2021-04-20   
878-257 6 Taylorstown PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2019-03-27   
878-257 7 Taylorstown PA   624H ONVOY SPECTRUM, LLC 234   2021-05-20   
878-257 8 Taylorstown PA   516J TON80 COMMUNICATIONS, LLC 234   2021-06-18   
878-257 9 Taylorstown PA   624H ONVOY SPECTRUM, LLC 234   2021-11-26   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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