Local Calling Guide

Area code/prefix search

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

NXX: 257

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-257 A Davenport IA DVNPIA80X1Y  700J WAVENATION, LLC 634   2025-09-25   
563-257 0 Davenport IA DVNPIA80X1Y  700J WAVENATION, LLC 634   2025-09-25   
563-257 1 Davenport IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2025-09-28   
563-257 2 Davenport IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2025-09-26   
563-257 3 Davenport IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2025-09-26   
563-257 4 Davenport IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2025-09-26   
563-257 5 Davenport IA DVNPIADTX5X  985E BANDWIDTH.COM CLEC, LLC - IA 634   2026-05-04   
563-257 6 Davenport IA MNPLIAXCJMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 634   2026-07-03   
563-257 8 Davenport IA DVNPIAEAXMD  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 634   2025-12-16   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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