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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-221 A De Witt IA DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634      
563-221 1 De Witt IA DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634   2007-07-24   
563-221 2 De Witt IA DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634   2013-04-26   
563-221 3 De Witt IA DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634   2014-04-25   
563-221 4 De Witt IA DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634   2015-12-04   
563-221 5 De Witt IA DUBQIAUS1MD  6266 UNITED STATES CELLULAR - IA 634   2020-10-02   
563-221 6 De Witt IA DVNPIAEA9MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634   2018-09-03   
563-221 7 De Witt IA DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-05   
563-221 8 De Witt IA MNPLIAXCBMD  751F MCC TELEPHONY OF IOWA, LLC - IA 634   2010-04-15   
563-221 9 De Witt IA DVNPIA80XPX  6529 T-MOBILE USA, INC. 634   2024-08-15   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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