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: CNRDMTAGDS0

Remotes:

Switch Switch name Switch type
SHLBMTALRL0  SHELBY  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-271 A Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-271 0 Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-271 1 Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-271 2 Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-271 3 Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-271 4 Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-271 5 Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-271 7 Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-271 8 Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      
406-271 9 Conrad MT 3924 3 RIVERS TELEPHONE COOPERATIVE, INC. - MT 648      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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