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: MSCTIACODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-262 A Muscatine IA 9631 QWEST CORPORATION 634      
563-263 A Muscatine IA 9631 QWEST CORPORATION 634      
563-264 A Muscatine IA 9631 QWEST CORPORATION 634      
563-272 A Muscatine IA 9631 QWEST CORPORATION 634   2004-06-21   
563-288 A Muscatine IA 9631 QWEST CORPORATION 634      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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