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: MRTWIASODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-752 A Marshalltown IA 9631 QWEST CORPORATION 632      
641-753 A Marshalltown IA 9631 QWEST CORPORATION 632      
641-754 A Marshalltown IA 9631 QWEST CORPORATION 632      
641-844 A Marshalltown IA 9631 QWEST CORPORATION 632      
641-844 0 Marshalltown IA 9631 QWEST CORPORATION 632      
641-844 1 Marshalltown IA 9631 QWEST CORPORATION 632      
641-844 2 Marshalltown IA 9631 QWEST CORPORATION 632      
641-844 5 Marshalltown IA 9631 QWEST CORPORATION 632      
641-844 6 Marshalltown IA 9631 QWEST CORPORATION 632      
641-844 9 Marshalltown IA 9631 QWEST CORPORATION 632      
641-854 A Marshalltown IA 9631 QWEST CORPORATION 632      
641-854 6 Marshalltown IA 9631 QWEST CORPORATION 632   2015-04-08   
641-854 7 Marshalltown IA 9631 QWEST CORPORATION 632   2015-04-08   
641-854 8 Marshalltown IA 9631 QWEST CORPORATION 632   2015-04-08   

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

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