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: SPLKIACODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-856 A North Spirit Lake MN 9631 QWEST CORPORATION 630      
507-856 1 North Spirit Lake MN 9631 QWEST CORPORATION 630      
507-856 2 North Spirit Lake MN 9631 QWEST CORPORATION 630      
507-856 3 North Spirit Lake MN 9631 QWEST CORPORATION 630      
507-856 4 North Spirit Lake MN 9631 QWEST CORPORATION 630      
507-856 5 North Spirit Lake MN 9631 QWEST CORPORATION 630      
507-856 6 North Spirit Lake MN 9631 QWEST CORPORATION 630      
507-856 8 North Spirit Lake MN 9631 QWEST CORPORATION 630      
712-336 A Spirit Lake IA 9631 QWEST CORPORATION 630      

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

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