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.

NPA: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-279 A Davenport IA DVNPIA80DS0  423H AIRUS, INC - IA 634      
563-279 0 Davenport IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2020-07-25   
563-279 1 Davenport IA DVNPIA80DS0  423H AIRUS, INC - IA 634   2019-12-21   
563-279 2 Davenport IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2020-07-25   
563-279 3 Davenport IA HMPNILXDAMD  495J STRATUS NETWORKS 634   2021-01-03   
563-279 4 Davenport IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2020-07-25   
563-279 5 Davenport IA DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-10-29   
563-279 6 Davenport IA DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-10-29   
563-279 7 Davenport IA DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-10-29   
563-279 8 Davenport IA DVNPIADTXLX  624H ONVOY SPECTRUM, LLC 634   2021-10-29   
563-279 9 Davenport IA DVNPIA80DS0  423H AIRUS, INC - IA 634   2021-10-21   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.