Local Calling Guide

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NPA: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 252

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-252 A Plainfield IL CHCGIL24DS6  224C ONVOY, LLC 358      
779-252 0 Plainfield IL   515J IP HORIZON LLC 358   2016-08-09   
779-252 1 Plainfield IL   224C ONVOY, LLC 358   2016-03-15   
779-252 2 Plainfield IL   318J COMCAST IP PHONE, LLC 358   2016-08-01   
779-252 3 Plainfield IL   624H ONVOY SPECTRUM, LLC 358   2025-05-12   
779-252 4 Plainfield IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2016-05-13   
779-252 5 Plainfield IL   495J STRATUS NETWORKS 358   2020-09-26   
779-252 6 Plainfield IL   516J TON80 COMMUNICATIONS, LLC 358   2022-04-01   
779-252 7 Plainfield IL   224C ONVOY, LLC 358   2016-03-21   
779-252 8 Plainfield IL   224C ONVOY, LLC 358   2016-03-21   
779-252 9 Plainfield IL   8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2016-12-16   

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

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