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: 6877 K.T.W. INTERNATIONAL CORP.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
917-308 A New York City Zone 06 NY NYCKNYWM12N  132      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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