Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 217 [Rate centres in NPA 217] [Dial plan for NPA 217]

NXX: 763

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
217-763 A Cerro Gordo IL CRGRILXCRS0  1015 FRONTIER NORTH, INC. - IL 374      
217-763 0 Cerro Gordo IL   593K MCC TELEPHONY LLC 374   2010-03-15   
217-763 1 Cerro Gordo IL   495J STRATUS NETWORKS 374   2020-11-13   
217-763 2 Cerro Gordo IL   624H ONVOY SPECTRUM, LLC 374   2024-05-24   
217-763 3 Cerro Gordo IL   224C ONVOY, LLC 374   2018-07-30   
217-763 4 Cerro Gordo IL   145J TERRA NOVA TELECOM INC. 374   2025-05-31   
217-763 5 Cerro Gordo IL   224C ONVOY, LLC 374   2021-08-12   
217-763 6 Cerro Gordo IL   1015 FRONTIER NORTH, INC. - IL 374      
217-763 7 Cerro Gordo IL   224C ONVOY, LLC 374   2019-07-27   
217-763 8 Cerro Gordo IL   224C ONVOY, LLC 374   2019-07-27   
217-763 9 Cerro Gordo IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 374   2015-10-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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