Local Calling Guide

Area code/prefix search

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

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-203 A Cresco IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
563-203 0 Cresco IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
563-203 1 Cresco IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
563-203 2 Cresco IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
563-203 3 Cresco IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2013-11-09   
563-203 4 Cresco IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635      
563-203 5 Cresco IA CDRRIADTDMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 635   2017-06-26   
563-203 6 Cresco IA CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-09   
563-203 7 Cresco IA CDRRIADTX9X  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 635   2011-05-05   
563-203 8 Cresco IA   593K MCC TELEPHONY LLC 635   2010-05-06   
563-203 9 Cresco IA CDRRIAAX7MD  6529 T-MOBILE USA, INC. 635   2022-05-05   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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