Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 681 [Rate centres in NPA 681] [Dial plan for NPA 681]

NXX: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
681-578 A Arnoldsburg WV CHTNWVLEBMD  508J CENTURYLINK COMMUNICATIONS, LLC 254      
681-578 0 Arnoldsburg WV   073H TELNYX LLC 254   2021-03-04   
681-578 1 Arnoldsburg WV   449F ONVOY, LLC - WV 254   2021-03-08   
681-578 2 Arnoldsburg WV   624H ONVOY SPECTRUM, LLC 254   2021-05-31   
681-578 4 Arnoldsburg WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2023-08-06   
681-578 5 Arnoldsburg WV   449F ONVOY, LLC - WV 254   2018-11-05   
681-578 6 Arnoldsburg WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2021-05-23   
681-578 7 Arnoldsburg WV   508J CENTURYLINK COMMUNICATIONS, LLC 254   2015-11-01   
681-578 8 Arnoldsburg WV   449F ONVOY, LLC - WV 254   2021-03-08   
681-578 9 Arnoldsburg WV   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 254   2021-05-23   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.