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.

OCN: 4721 CONTACT COMMUNICATIONS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
315-319 A Madrid NY MSSNNYAU1MD  136      
315-321 A Watertown NY MSSNNYAU1MD  136      
315-747 A Madrid NY MSSNNYAU1MD  136      
315-844 A Watertown NY MSSNNYAU1MD  136      
518-200 A Plattsburgh NY PLBGNYDO1MD  134      
518-404 A Malone NY PLBGNYDO1MD  134      
518-574 A Plattsburgh NY PLBGNYDO1MD  134      
518-923 A Saranac Lake NY PLBGNYDO1MD  134      
802-350 A Burlington VT WLSTVTHKCM0  124      
802-351 A Burlington VT WLSTVTHKCM0  124      
802-450 A Burlington VT WLSTVTHKCM0  124      
802-826 A Montpelier VT WLSTVTHKCM0  124      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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