Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDSN1MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-312 A Baltimore MD 361H ATLANTECH ONLINE, INC. - MD 238      
667-312 1 Baltimore MD 361H ATLANTECH ONLINE, INC. - MD 238      

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

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