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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OCN: 071F BANDWIDTH.COM CLEC, LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-842 1 Woodlawn MD BLTMMDCH45Z  238   2021-04-09   
667-866 8 Darlington MD BLTMMDCH45Z  238   2019-05-31   
667-877 0 Pikesville MD BLTMMDCH45Z  238   2022-11-19   
667-877 1 Pikesville MD BLTMMDCH45Z  238   2022-11-19   
667-877 9 Pikesville MD BLTMMDCH45Z  238   2022-11-19   
667-899 5 Baltimore MD BLTMMDCH45Z  238   2022-11-08   
667-899 6 Baltimore MD BLTMMDCH45Z  238   2022-11-08   
667-900 8 Baltimore MD BLTMMDCH45Z  238   2020-09-28   
667-900 9 Baltimore MD BLTMMDCH45Z  238   2020-09-28   
667-925 0 Bel Air MD BLTMMDCH45Z  238   2022-09-16   
667-925 1 Bel Air MD BLTMMDCH45Z  238   2022-09-16   
667-966 2 New Windsor MD BLTMMDCH45Z  238   2021-12-04   
667-966 5 New Windsor MD BLTMMDCH45Z  238   2022-02-25   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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