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: BSMRNDBCDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
701-221 A Bismarck ND 9631 QWEST CORPORATION 638      
701-222 A Bismarck ND 9631 QWEST CORPORATION 638      
701-223 A Bismarck ND 9631 QWEST CORPORATION 638      
701-224 A Bismarck ND 9631 QWEST CORPORATION 638      
701-250 A Bismarck ND 9631 QWEST CORPORATION 638      
701-255 A Bismarck ND 9631 QWEST CORPORATION 638      
701-258 A Bismarck ND 9631 QWEST CORPORATION 638      
701-323 A Bismarck ND 9631 QWEST CORPORATION 638      
701-328 A Bismarck ND 9631 QWEST CORPORATION 638      
701-333 0 Bismarck ND 9631 QWEST CORPORATION 638      
701-333 1 Bismarck ND 9631 QWEST CORPORATION 638      
701-333 2 Bismarck ND 9631 QWEST CORPORATION 638      
701-333 3 Bismarck ND 9631 QWEST CORPORATION 638      
701-333 4 Bismarck ND 9631 QWEST CORPORATION 638      
701-333 5 Bismarck ND 9631 QWEST CORPORATION 638      
701-333 6 Bismarck ND 9631 QWEST CORPORATION 638      
701-355 0 Bismarck ND 9631 QWEST CORPORATION 638      
701-355 1 Bismarck ND 9631 QWEST CORPORATION 638      
701-355 2 Bismarck ND 9631 QWEST CORPORATION 638      
701-355 3 Bismarck ND 9631 QWEST CORPORATION 638      
701-355 4 Bismarck ND 9631 QWEST CORPORATION 638      
701-355 5 Bismarck ND 9631 QWEST CORPORATION 638      
701-355 7 Bismarck ND 9631 QWEST CORPORATION 638      
701-355 8 Bismarck ND 9631 QWEST CORPORATION 638      
701-530 A Bismarck ND 9631 QWEST CORPORATION 638      
701-557 4 Bismarck ND 9631 QWEST CORPORATION 638      
701-557 5 Bismarck ND 9631 QWEST CORPORATION 638      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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