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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Switch: BLTMMDSN6MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-895 3 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-895 4 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-895 7 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-900 7 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-910 7 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-910 8 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
667-930 5 Baltimore MD 6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      

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

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