Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Mill Gap, VA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
540-499 A MLGPVAXARS0  0237 HIGHLAND TEL. COOP. 244      
540-549 A RONKVALKXJY  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 244      
540-549 2 RONKVALKXJY  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 244   2018-03-19   

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

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