Local Calling Guide

Area code/prefix search

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

NXX: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
681-310 A Inwood WV FRDRMDFRXOX  073H TELNYX LLC 240      
681-310 0 Inwood WV   073H TELNYX LLC 240   2021-03-28   
681-310 1 Inwood WV   449F ONVOY, LLC - WV 240   2021-03-29   
681-310 2 Inwood WV   449F ONVOY, LLC - WV 240   2021-03-29   
681-310 3 Inwood WV   624H ONVOY SPECTRUM, LLC 240   2021-11-14   
681-310 4 Inwood WV   624H ONVOY SPECTRUM, LLC 240   2021-11-14   
681-310 5 Inwood WV   449F ONVOY, LLC - WV 240   2023-08-11   
681-310 6 Inwood WV   449F ONVOY, LLC - WV 240   2023-08-11   
681-310 7 Inwood WV   516J TON80 COMMUNICATIONS, LLC 240   2021-11-29   
681-310 8 Inwood WV   9944 LEVEL 3 COMMUNICATIONS, LLC - WV 240   2023-03-06   
681-310 9 Inwood WV   449F ONVOY, LLC - WV 240   2023-08-11   

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

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