Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 304 [Rate centres in NPA 304] [Dial plan for NPA 304]

NXX: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
304-427 A Hillsboro WV BCKLWVWDNMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 254      
304-427 0 Hillsboro WV   489F SHENTEL COMMUNICATIONS, LLC. - WV 254   2018-02-15   
304-427 1 Hillsboro WV   449F ONVOY, LLC - WV 254   2021-01-08   
304-427 2 Hillsboro WV   449F ONVOY, LLC - WV 254   2021-01-08   
304-427 3 Hillsboro WV   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 254   2016-10-16   
304-427 4 Hillsboro WV   449F ONVOY, LLC - WV 254   2019-09-03   
304-427 5 Hillsboro WV   449F ONVOY, LLC - WV 254   2020-05-02   
304-427 6 Hillsboro WV   449F ONVOY, LLC - WV 254   2020-05-02   
304-427 7 Hillsboro WV   449F ONVOY, LLC - WV 254   2020-06-21   
304-427 8 Hillsboro WV   449F ONVOY, LLC - WV 254   2020-06-21   
304-427 9 Hillsboro WV   624H ONVOY SPECTRUM, LLC 254   2021-05-31   

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

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