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: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-275 A Davenport IA DVNPIA80FMD  938D WINDSTREAM IT-COMM, LLC - IA 634      
563-275 0 Davenport IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2010-12-18   
563-275 1 Davenport IA DVNPIA80FMD  938D WINDSTREAM IT-COMM, LLC - IA 634   2010-03-13   
563-275 2 Davenport IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2011-06-02   
563-275 3 Davenport IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2011-09-01   
563-275 4 Davenport IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2011-12-12   
563-275 5 Davenport IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2010-07-03   
563-275 6 Davenport IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2012-02-24   
563-275 7 Davenport IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2010-08-16   
563-275 8 Davenport IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2011-08-12   
563-275 9 Davenport IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2011-06-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.