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: 0073 BERKSHIRE TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
518-758 A Kinderhook NY KNDRNYXADS0  134      
518-784 A Kinderhook NY NVVLNYXARS0  134      
518-799 A Kinderhook NY KNDRNYXADS0  134      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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