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: 074F BANDWIDTH.COM CLEC, LLC - DC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
771-888 3 Washington Zone 1 DC WASHDCDP8MD  236   2022-01-01   
771-888 4 Washington Zone 1 DC WASHDCDP8MD  236   2022-01-01   
771-888 5 Washington Zone 1 DC WASHDCDP8MD  236   2022-01-01   

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

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