Local Calling Guide

Area code/prefix search

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NPA: 839 [Rate centres in NPA 839] [Dial plan for NPA 839]

NXX: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
839-287 A Sumter SC CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-05-20   
839-287 0 Sumter SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-11-12   
839-287 1 Sumter SC   548E ONVOY, LLC - SC 434   2024-06-08   
839-287 2 Sumter SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-09-10   
839-287 3 Sumter SC   8645 SUNCOM DBA T-MOBILE USA 434   2025-03-29   
839-287 5 Sumter SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2026-01-12   
839-287 8 Sumter SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-08-05   
839-287 9 Sumter SC   548E ONVOY, LLC - SC 434   2025-10-12   

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

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