Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 803 [Rate centres in NPA 803] [Dial plan for NPA 803]

NXX: 830

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-830 A Columbia SC CLMASCSNXSY  548E ONVOY, LLC - SC 434   2024-01-31   
803-830 0 Columbia SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2020-04-02   
803-830 1 Columbia SC   939H COMMIO, LLC 434   2022-11-26   
803-830 2 Columbia SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2020-04-02   
803-830 3 Columbia SC   548E ONVOY, LLC - SC 434   2019-10-27   
803-830 4 Columbia SC   548E ONVOY, LLC - SC 434   2019-10-27   
803-830 5 Columbia SC   548E ONVOY, LLC - SC 434   2019-10-27   
803-830 6 Columbia SC   548E ONVOY, LLC - SC 434   2019-10-27   
803-830 7 Columbia SC   548E ONVOY, LLC - SC 434   2019-10-27   
803-830 8 Columbia SC   548E ONVOY, LLC - SC 434   2019-10-27   
803-830 9 Columbia SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2020-04-02   

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

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