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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: BTVLMDCKCM5

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-272 7 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2023-01-08   
240-400 7 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2023-02-03   
240-600 1 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-08-28   
240-673 8 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-08-27   
240-941 0 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-10-01   
240-941 1 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-10-01   
240-941 2 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-10-01   
240-941 3 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-10-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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