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.

OCN: 0238 MGW TELEPHONE COMPANY, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
540-279 A Mountain Grove VA MTGVVAXARS0  244      
540-396 A McDowell VA MCWLVAXARS0  244      
540-925 A Williamsville VA WSVLVAXARS0  244      
540-939 A Deerfield VA DRFDVAXADS0  244      
540-996 A McClung VA MCLGVAXARS0  244      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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