Local Calling Guide

Area code/prefix search

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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-306 A Lockport IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-306 0 Lockport IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-04-28   
815-306 1 Lockport IL CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-07-21   
815-306 2 Lockport IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
815-306 3 Lockport IL CHCGIL24DS6  224C ONVOY, LLC 358   2004-09-15   
815-306 4 Lockport IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2003-08-18   
815-306 5 Lockport IL ELGNILOTGT5  5562 METROPCS, INC. 358   2022-09-08   
815-306 6 Lockport IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-02-20   
815-306 7 Lockport IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-306 8 Lockport IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-04-26   
815-306 9 Lockport IL CHCGIL24XMD  495J STRATUS NETWORKS 358   2020-09-26   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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