Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Hollywood, SC

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
843-920 5 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2020-09-13   
843-920 6 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2020-09-13   
843-920 7 CHTNSCDT08Z  508J CENTURYLINK COMMUNICATIONS, LLC 436   2017-11-03   
843-920 8 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2019-06-29   
843-920 9 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2021-01-23   
854-226 A CHTNSCDTX6Z  077F BANDWIDTH.COM CLEC, LLC - SC 436      
854-226 0 CHTNSCDTX6Z  077F BANDWIDTH.COM CLEC, LLC - SC 436   2022-02-24   
854-226 1 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2023-08-26   
854-226 2 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2024-03-07   
854-226 3 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2025-01-09   
854-226 5 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2022-09-30   
854-226 6 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2023-02-11   
854-226 7   548E ONVOY, LLC - SC 436   2025-03-03   
854-226 8 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2024-10-21   
854-226 9 CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2024-12-02   

<< 1 2

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.