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: DVNPIADTDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-322 A Davenport IA 9631 QWEST CORPORATION 634      
563-323 A Davenport IA 9631 QWEST CORPORATION 634      
563-324 A Davenport IA 9631 QWEST CORPORATION 634      
563-326 A Davenport IA 9631 QWEST CORPORATION 634      
563-327 A Davenport IA 9631 QWEST CORPORATION 634      
563-328 A Davenport IA 9631 QWEST CORPORATION 634      
563-333 A Davenport IA 9631 QWEST CORPORATION 634      
563-336 A Davenport IA 9631 QWEST CORPORATION 634      
563-383 A Davenport IA 9631 QWEST CORPORATION 634      
563-884 A Davenport IA 9631 QWEST CORPORATION 634      
563-888 A Davenport IA 9631 QWEST CORPORATION 634      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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