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: STJHNBSUNMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
506-231 A Saint John NB 329A ALIANT TELECOM (MOBILITY) 888 809004    
506-741 A Saint John NB 329A ALIANT TELECOM (MOBILITY) 888 809004    
506-742 A Saint John NB 329A ALIANT TELECOM (MOBILITY) 888 809004    
506-745 A Saint John NB 329A ALIANT TELECOM (MOBILITY) 888 809004 2024-01-06   
506-948 A Saint John NB 329A ALIANT TELECOM (MOBILITY) 888 809004    

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

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