Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 974

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-974 A Hebron IL CHCGIL24DS6  224C ONVOY, LLC 358      
815-974 0 Hebron IL   224C ONVOY, LLC 358   2019-07-14   
815-974 1 Hebron IL   224C ONVOY, LLC 358   2019-07-14   
815-974 2 Hebron IL   792K CHARTER IP ENABLED SERVICES, LLC 358   2024-06-09   
815-974 3 Hebron IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2022-01-14   
815-974 4 Hebron IL   624H ONVOY SPECTRUM, LLC 358   2024-04-20   
815-974 5 Hebron IL   224C ONVOY, LLC 358   2018-09-03   
815-974 6 Hebron IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2021-12-19   
815-974 8 Hebron IL   073H TELNYX LLC 358   2020-07-10   
815-974 9 Hebron IL   495J STRATUS NETWORKS 358   2020-09-17   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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