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.

NPA: 854 [Rate centres in NPA 854] [Dial plan for NPA 854]

NXX: 429

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-429 A Charleston SC CHTNSCDT20Z  1784 SOUTH CAROLINA NET, INC. - SC 436      
854-429 0 Charleston SC CHTNSCDT07Z  551G NUSO, LLC 436   2018-07-31   
854-429 1 Charleston SC CHTNSCDT20Z  1784 SOUTH CAROLINA NET, INC. - SC 436   2017-10-01   
854-429 2 Charleston SC CHTNSCDTX6Z  077F BANDWIDTH.COM CLEC, LLC - SC 436   2019-02-02   
854-429 3 Charleston SC CHTNSCDTX6Z  077F BANDWIDTH.COM CLEC, LLC - SC 436   2019-02-02   
854-429 4 Charleston SC CHTNSCDT20Z  1784 SOUTH CAROLINA NET, INC. - SC 436   2019-02-17   
854-429 5 Charleston SC CHTNSCDT20Z  1784 SOUTH CAROLINA NET, INC. - SC 436   2019-02-17   
854-429 6 Charleston SC CHTNSCDTX5Z  635C TELEPORT COMMUNICATIONS AMERICA SC- LLC 436   2019-07-28   
854-429 7 Charleston SC CHTNSCDT20Z  1784 SOUTH CAROLINA NET, INC. - SC 436   2020-06-24   
854-429 8 Charleston SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2023-09-23   
854-429 9 Charleston SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2023-09-23   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.