Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-404 A Rochelle IL DIXNILXA4MD  224C ONVOY, LLC 364   2024-08-29   
779-404 0 Rochelle IL DIXNILXA4MD  224C ONVOY, LLC 364   2024-08-29   
779-404 6 Rochelle IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 364   2025-09-09   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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