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: FRDLMNFRDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
763-502 A Twin Cities MN 9631 QWEST CORPORATION 628      
763-505 A Twin Cities MN 9631 QWEST CORPORATION 628      
763-514 A Twin Cities MN 9631 QWEST CORPORATION 628      
763-526 A Twin Cities MN 9631 QWEST CORPORATION 628      
763-528 A Twin Cities MN 9631 QWEST CORPORATION 628      
763-528 2 Twin Cities MN 9631 QWEST CORPORATION 628      
763-528 4 Twin Cities MN 9631 QWEST CORPORATION 628      
763-528 7 Twin Cities MN 9631 QWEST CORPORATION 628      
763-528 9 Twin Cities MN 9631 QWEST CORPORATION 628      
763-571 A Twin Cities MN 9631 QWEST CORPORATION 628      
763-572 A Twin Cities MN 9631 QWEST CORPORATION 628      
763-574 A Twin Cities MN 9631 QWEST CORPORATION 628      
763-586 A Twin Cities MN 9631 QWEST CORPORATION 628      

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

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