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: 207

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
821-207 A Greenville SC   478J NUSO, LLC 430   2025-06-23   
821-207 1 Greenville SC   478J NUSO, LLC 430   2025-06-23   
821-207 6 Greenville SC   321J HD CARRIER LLC 430   2025-08-11   
821-207 7 Greenville SC   321J HD CARRIER LLC 430   2025-08-11   
821-207 8 Greenville SC   490J DISH WIRELESS, LLC 430   2025-08-10   
821-207 9 Greenville SC   490J DISH WIRELESS, LLC 430   2025-12-01   

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

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