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.

Winfield, WV

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
304-586 A WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 0 WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 1 WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 2 WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 3 WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 4 WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 5 WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-586 6 HNTNWVDT0MD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 254      
304-586 7 CHTNWVCE8MD  545B CITYNET WEST VIRGINIA, LLC - WV 254      
304-586 8 CHTNWVJADS0  4095 FIBERNET, LLC - WV 254      
304-586 9 WNFDWVWFRS1  9214 FRONTIER WEST VIRGINIA INC. 254      
304-936 A HNTNWVDT5MD  073H TELNYX LLC 254      
304-936 0 CHTNWVLEXBZ  449F ONVOY, LLC - WV 254      
304-936 1 CHTNWVLEKMD  318J COMCAST IP PHONE, LLC 254      
304-936 2 HNTNWVDT0MD  9944 LEVEL 3 COMMUNICATIONS, LLC - WV 254      
304-936 3 CHTNWVLEX4Z  546B MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WV 254      
304-936 4 CHTNWVLEGMD  624H ONVOY SPECTRUM, LLC 254      
304-936 5 CHTNWVLEX6Z  080F BANDWIDTH.COM CLEC, LLC - WV 254      
304-936 6 CHTNWVLEXBZ  449F ONVOY, LLC - WV 254      
304-936 7 CHTNWVLEBMD  508J CENTURYLINK COMMUNICATIONS, LLC 254      
304-936 8 CHTNWVLEXBZ  449F ONVOY, LLC - WV 254      
304-936 9 HNTNWVDT5MD  073H TELNYX LLC 254      
681-504 A CHTNWVLEXFZ  077G TELEPORT COMMUNICATIONS AMERICA, LLC - WV 254   2024-02-05   
681-504 6 CHTNWVLEXFZ  077G TELEPORT COMMUNICATIONS AMERICA, LLC - WV 254      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.