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: ALBYNYSSNMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
518-306 A Saratoga Springs NY 7421 AT&T - LOCAL 134      
518-660 A Hudson NY 7421 AT&T - LOCAL 134      
518-837 A Lake Placid NY 7421 AT&T - LOCAL 134      
518-951 A Colonie NY 7421 AT&T - LOCAL 134      
518-952 A Schenectady NY 7421 AT&T - LOCAL 134      
518-953 A Troy NY 7421 AT&T - LOCAL 134      
518-954 A Amsterdam NY 7421 AT&T - LOCAL 134      
518-955 A Glens Falls NY 7421 AT&T - LOCAL 134      
518-956 A Albany NY 7421 AT&T - LOCAL 134      
518-957 A Plattsburgh NY 7421 AT&T - LOCAL 134      

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

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