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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Westport, NY

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
518-962 A WSPTNYXADS0  0079 CHAZY & WESTPORT TEL. CORP. 134      
838-223 A ALBYNYSSX3Z  948F CHARTER FIBERLINK NY-CCO. LLC 134      
838-223 0 ALBYNYSSX3Z  948F CHARTER FIBERLINK NY-CCO. LLC 134   2019-02-01   
838-223 7   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 134   2025-02-16   
838-223 9 ALBYNYSSXAZ  818H PEERING HUB, INC. - NY 134   2021-04-26   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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