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: ALBYNYSSXEZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
838-227 A Central Bridge NY 321J HD CARRIER LLC 134      
838-227 8 Central Bridge NY 321J HD CARRIER LLC 134   2021-01-03   
838-227 9 Central Bridge NY 321J HD CARRIER LLC 134   2021-01-03   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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