Local Calling Guide

Area code/prefix search

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

NXX: 687

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-687 A Sabula IA SABLIAXPRS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-687 1 Sabula IA   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-687 2 Sabula IA   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-687 3 Sabula IA   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-687 4 Sabula IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2017-05-30   
563-687 7 Sabula IA   221F ONVOY, LLC - IA 634   2021-05-10   
563-687 8 Sabula IA   221F ONVOY, LLC - IA 634   2021-05-10   
563-687 9 Sabula IA   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      

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

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