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: ALBYNYSSXZY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
518-936 5 Westerlo NY 321J HD CARRIER LLC 134   2016-04-07   
518-936 8 Westerlo NY 321J HD CARRIER LLC 134   2016-04-07   
518-936 9 Westerlo NY 321J HD CARRIER LLC 134   2014-07-31   
518-945 6 Athens NY 321J HD CARRIER LLC 134   2014-07-31   
518-953 2 Troy NY 321J HD CARRIER LLC 134   2026-02-02   
518-953 9 Troy NY 321J HD CARRIER LLC 134   2014-07-31   
518-954 0 Amsterdam NY 321J HD CARRIER LLC 134   2016-08-18   
518-954 1 Amsterdam NY 321J HD CARRIER LLC 134   2016-08-18   
518-964 5 Lake George NY 321J HD CARRIER LLC 134   2016-04-07   
518-964 9 Lake George NY 321J HD CARRIER LLC 134   2014-07-31   
518-983 9 Willsboro NY 321J HD CARRIER LLC 134   2014-07-31   
518-984 A Ticonderoga NY 321J HD CARRIER LLC 134      
518-984 1 Ticonderoga NY 321J HD CARRIER LLC 134   2016-08-26   
518-984 2 Ticonderoga NY 321J HD CARRIER LLC 134   2016-08-26   
518-984 5 Ticonderoga NY 321J HD CARRIER LLC 134   2016-08-26   
838-281 8 Troy NY 321J HD CARRIER LLC 134   2026-01-18   
838-839 A Albany NY 321J HD CARRIER LLC 134      
838-839 9 Albany NY 321J HD CARRIER LLC 134   2019-03-09   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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