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.

Switch: SYRCNYSUHMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
315-803 A La Fargeville NY 508J CENTURYLINK COMMUNICATIONS, LLC 136      
315-809 A Philadelphia NY 508J CENTURYLINK COMMUNICATIONS, LLC 136      
315-817 A Sackets Harbor NY 508J CENTURYLINK COMMUNICATIONS, LLC 136      
315-819 A Theresa NY 508J CENTURYLINK COMMUNICATIONS, LLC 136      
315-949 A Syracuse NY 508J CENTURYLINK COMMUNICATIONS, LLC 136      
315-965 A Watertown NY 508J CENTURYLINK COMMUNICATIONS, LLC 136      
315-968 A Parish NY 508J CENTURYLINK COMMUNICATIONS, LLC 136      
315-973 A Clayton NY 508J CENTURYLINK COMMUNICATIONS, LLC 136      
315-993 A Waddington NY 508J CENTURYLINK COMMUNICATIONS, LLC 136      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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