Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-587 A Dubuque IA DUBQIATCDS0  9631 QWEST CORPORATION 634      
563-587 0 Dubuque IA   508J CENTURYLINK COMMUNICATIONS, LLC 634      
563-587 1 Dubuque IA DUBQIATCDS0  9631 QWEST CORPORATION 634      
563-587 2 Dubuque IA DUBQIATCDS0  9631 QWEST CORPORATION 634      
563-587 3 Dubuque IA DUBQIATCDS0  9631 QWEST CORPORATION 634      
563-587 4 Dubuque IA DUBQIATCDS0  9631 QWEST CORPORATION 634      
563-587 5 Dubuque IA DUBQIATCDS0  9631 QWEST CORPORATION 634      
563-587 6 Dubuque IA DUBQIATCDS0  9631 QWEST CORPORATION 634      
563-587 7 Dubuque IA DUBQIATCDS0  9631 QWEST CORPORATION 634      
563-587 8 Dubuque IA ELRGIAXO1MD  204A CS TECHNOLOGIES, INC. - IA 634   2009-12-02   
563-587 9 Dubuque IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2014-03-24   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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