Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
854-300 8 Summerville SC 548E ONVOY, LLC - SC 436   2021-01-23   
854-300 9 Summerville SC 548E ONVOY, LLC - SC 436   2021-01-23   
854-333 2 Walterboro SC 548E ONVOY, LLC - SC 436   2020-06-15   
854-333 4 Walterboro SC 548E ONVOY, LLC - SC 436   2020-06-15   
854-333 5 Walterboro SC 548E ONVOY, LLC - SC 436   2018-12-03   
854-333 7 Walterboro SC 548E ONVOY, LLC - SC 436   2020-06-15   
854-333 9 Walterboro SC 548E ONVOY, LLC - SC 436   2019-06-29   
854-354 A Mount Pleasant SC 548E ONVOY, LLC - SC 436      
854-354 3 Mount Pleasant SC 548E ONVOY, LLC - SC 436   2024-09-15   
854-354 4 Mount Pleasant SC 548E ONVOY, LLC - SC 436   2023-01-06   
854-354 5 Mount Pleasant SC 548E ONVOY, LLC - SC 436   2023-01-06   
854-354 6 Mount Pleasant SC 548E ONVOY, LLC - SC 436   2024-09-15   
854-354 9 Mount Pleasant SC 548E ONVOY, LLC - SC 436   2023-08-26   
854-444 A Charleston SC 548E ONVOY, LLC - SC 436      
854-444 4 Charleston SC 548E ONVOY, LLC - SC 436   2016-01-22   
854-444 7 Charleston SC 548E ONVOY, LLC - SC 436   2019-05-24   
854-444 8 Charleston SC 548E ONVOY, LLC - SC 436   2019-06-29   
854-540 1 Ridgeland SC 548E ONVOY, LLC - SC 436   2023-08-26   
854-540 6 Ridgeland SC 548E ONVOY, LLC - SC 436   2024-03-07   
854-580 A Awendaw SC 548E ONVOY, LLC - SC 436   2024-01-31   
854-580 5 Awendaw SC 548E ONVOY, LLC - SC 436   2023-03-13   
854-663 6 Pineville SC 548E ONVOY, LLC - SC 436   2022-12-08   
854-766 1 Edisto Island SC 548E ONVOY, LLC - SC 436   2020-09-13   
854-766 2 Edisto Island SC 548E ONVOY, LLC - SC 436   2020-09-13   
854-766 4 Edisto Island SC 548E ONVOY, LLC - SC 436   2021-03-02   
854-766 5 Edisto Island SC 548E ONVOY, LLC - SC 436   2021-03-02   
854-777 A Isle of Palms SC 548E ONVOY, LLC - SC 436      
854-777 0 Isle of Palms SC 548E ONVOY, LLC - SC 436   2016-01-29   
854-777 1 Isle of Palms SC 548E ONVOY, LLC - SC 436   2016-10-17   
854-777 2 Isle of Palms SC 548E ONVOY, LLC - SC 436   2015-11-26   
854-777 3 Isle of Palms SC 548E ONVOY, LLC - SC 436   2018-02-08   
854-777 4 Isle of Palms SC 548E ONVOY, LLC - SC 436   2015-11-26   
854-777 5 Isle of Palms SC 548E ONVOY, LLC - SC 436   2015-11-26   
854-777 6 Isle of Palms SC 548E ONVOY, LLC - SC 436   2015-11-26   
854-777 7 Isle of Palms SC 548E ONVOY, LLC - SC 436   2015-11-26   
854-777 9 Isle of Palms SC 548E ONVOY, LLC - SC 436   2018-12-03   
854-800 A Charleston SC 548E ONVOY, LLC - SC 436      
854-800 0 Charleston SC 548E ONVOY, LLC - SC 436   2017-11-03   
854-800 1 Charleston SC 548E ONVOY, LLC - SC 436   2019-06-29   
854-800 2 Charleston SC 548E ONVOY, LLC - SC 436   2019-06-29   
854-800 3 Charleston SC 548E ONVOY, LLC - SC 436   2019-06-29   
854-800 4 Charleston SC 548E ONVOY, LLC - SC 436   2019-06-29   
854-800 5 Charleston SC 548E ONVOY, LLC - SC 436   2019-10-27   
854-800 6 Charleston SC 548E ONVOY, LLC - SC 436   2020-07-06   
854-800 7 Charleston SC 548E ONVOY, LLC - SC 436   2019-10-27   
854-800 8 Charleston SC 548E ONVOY, LLC - SC 436   2017-11-03   
854-800 9 Charleston SC 548E ONVOY, LLC - SC 436   2019-06-29   
854-803 2 Folly Beach SC 548E ONVOY, LLC - SC 436   2022-12-18   
854-803 9 Folly Beach SC 548E ONVOY, LLC - SC 436   2023-08-26   
854-839 7 Sullivans Island SC 548E ONVOY, LLC - SC 436   2022-12-31   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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