Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 821 [Rate centres in NPA 821] [Dial plan for NPA 821]

NXX: 222

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
821-222 A Simpsonville SC   548E ONVOY, LLC - SC 430   2025-09-08   
821-222 0 Simpsonville SC   548E ONVOY, LLC - SC 430   2025-09-08   
821-222 1 Simpsonville SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 430   2025-11-24   
821-222 2 Simpsonville SC   548E ONVOY, LLC - SC 430   2025-09-08   
821-222 3 Simpsonville SC   145J TERRA NOVA TELECOM INC. 430   2025-09-09   
821-222 4 Simpsonville SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 430   2026-02-26   
821-222 5 Simpsonville SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 430   2026-03-23   
821-222 8 Simpsonville SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 430   2025-09-09   
821-222 9 Simpsonville SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 430   2025-10-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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