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: DVNPIADTXAX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-284 3 Walcott IA 353E YMAX COMMUNICATIONS CORP. - IA 634      
563-284 8 Walcott IA 353E YMAX COMMUNICATIONS CORP. - IA 634      
563-594 A Davenport IA 353E YMAX COMMUNICATIONS CORP. - IA 634      
563-594 0 Davenport IA 353E YMAX COMMUNICATIONS CORP. - IA 634      
563-594 2 Davenport IA 353E YMAX COMMUNICATIONS CORP. - IA 634      
563-594 3 Davenport IA 353E YMAX COMMUNICATIONS CORP. - IA 634      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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