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.
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Deerfield, VA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
540-610 A DRFDVAXADS1  609F MGW NETWORKS, L.L.C. - VA 244      
540-939 A DRFDVAXADS0  0238 MGW TELEPHONE COMPANY, INC. 244      

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

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