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: ALNAIACODS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
515-631 A Des Moines IA 9631 QWEST CORPORATION 632      
515-631 3 Des Moines IA 9631 QWEST CORPORATION 632   2013-02-22   
515-631 7 Des Moines IA 9631 QWEST CORPORATION 632   2013-02-22   
515-957 A Des Moines IA 9631 QWEST CORPORATION 632      
515-957 0 Des Moines IA 9631 QWEST CORPORATION 632      
515-957 3 Des Moines IA 9631 QWEST CORPORATION 632      
515-957 5 Des Moines IA 9631 QWEST CORPORATION 632   2007-10-08   
515-957 8 Des Moines IA 9631 QWEST CORPORATION 632      
515-957 9 Des Moines IA 9631 QWEST CORPORATION 632      
515-967 A Des Moines IA 9631 QWEST CORPORATION 632      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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