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: GDFRNDBC77G

Remotes:

Switch Switch name Switch type
CKTNMNCRRS2  CROOKSTON  RSC 
GFABNDBCRS5  EMERADO  RSC 
GFABNDBCRS7  GRAND FORKS AIR BASE  RSC 
GFTNNDBARS3  GRAFTON  RSC 
MANVNDBCRS6  MANVEL  RSC 
MINTNDBARS2  MINTO  RSC 
MYVLNDBCRS7  MAYVILLE  RSC 
RYNLNDBCRS8  REYNOLDS  RSC 
THSNNDBCRS5  THOMPSON  RSC 
TRFLMNTHRS6  THIEF RIVER FALLS  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
218-773 A East Grand Forks MN 9631 QWEST CORPORATION 636      
701-335 A Grand Forks ND 9631 QWEST CORPORATION 636      
701-335 0 Grand Forks ND 9631 QWEST CORPORATION 636      
701-335 1 Grand Forks ND 9631 QWEST CORPORATION 636      
701-335 2 Grand Forks ND 9631 QWEST CORPORATION 636      
701-335 4 Grand Forks ND 9631 QWEST CORPORATION 636      
701-335 5 Grand Forks ND 9631 QWEST CORPORATION 636      
701-732 A Grand Forks ND 9631 QWEST CORPORATION 636      
701-732 4 Grand Forks ND 9631 QWEST CORPORATION 636      
701-732 5 Grand Forks ND 9631 QWEST CORPORATION 636      
701-732 6 Grand Forks ND 9631 QWEST CORPORATION 636      
701-732 7 Grand Forks ND 9631 QWEST CORPORATION 636      
701-746 A Grand Forks ND 9631 QWEST CORPORATION 636      
701-772 A Grand Forks ND 9631 QWEST CORPORATION 636      
701-775 A Grand Forks ND 9631 QWEST CORPORATION 636      
701-777 A Grand Forks ND 9631 QWEST CORPORATION 636      
701-780 A Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 A Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 0 Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 2 Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 3 Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 4 Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 5 Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 6 Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 7 Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 8 Grand Forks ND 9631 QWEST CORPORATION 636      
701-787 9 Grand Forks ND 9631 QWEST CORPORATION 636      
701-792 A Grand Forks ND 9631 QWEST CORPORATION 636      
701-792 0 Grand Forks ND 9631 QWEST CORPORATION 636      
701-792 1 Grand Forks ND 9631 QWEST CORPORATION 636      
701-792 2 Grand Forks ND 9631 QWEST CORPORATION 636      
701-792 3 Grand Forks ND 9631 QWEST CORPORATION 636      
701-792 4 Grand Forks ND 9631 QWEST CORPORATION 636      
701-792 5 Grand Forks ND 9631 QWEST CORPORATION 636      
701-792 9 Grand Forks ND 9631 QWEST CORPORATION 636      
701-795 A Grand Forks ND 9631 QWEST CORPORATION 636      

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

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