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: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-900 A Davenport IA DVNPIADTXPX  965H FRACTEL, LLC 634      
563-900 0 Davenport IA   965H FRACTEL, LLC 634   2020-02-17   
563-900 1 Davenport IA   6266 UNITED STATES CELLULAR - IA 634   2024-10-31   
563-900 2 Davenport IA   624H ONVOY SPECTRUM, LLC 634   2025-05-15   
563-900 3 Davenport IA   221F ONVOY, LLC - IA 634   2020-10-06   
563-900 4 Davenport IA   221F ONVOY, LLC - IA 634   2020-10-06   
563-900 5 Davenport IA   221F ONVOY, LLC - IA 634   2020-10-06   
563-900 6 Davenport IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2024-12-23   
563-900 7 Davenport IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2024-04-14   
563-900 8 Davenport IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2022-10-29   
563-900 9 Davenport IA   965H FRACTEL, LLC 634   2020-02-17   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.