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: 410

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-410 A Stockton IL   506J TWILIO INTERNATIONAL, INC. 360      
779-410 0 Stockton IL   224C ONVOY, LLC 360   2021-05-30   
779-410 1 Stockton IL   624H ONVOY SPECTRUM, LLC 360   2024-10-31   
779-410 4 Stockton IL   506J TWILIO INTERNATIONAL, INC. 360   2025-06-07   
779-410 8 Stockton IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360   2025-09-07   

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

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