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: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-285 A Charleston SC CHTNSCFUIMD  616J LEAP TELECOM, LLC 436   2025-02-09   
854-285 0 Charleston SC CHTNSCFUIMD  616J LEAP TELECOM, LLC 436   2025-02-09   
854-285 1 Charleston SC   548E ONVOY, LLC - SC 436   2025-02-10   
854-285 2 Charleston SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2025-04-17   
854-285 3 Charleston SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2025-05-26   
854-285 4 Charleston SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2025-06-23   
854-285 5 Charleston SC   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2025-07-28   
854-285 6 Charleston SC   548E ONVOY, LLC - SC 436   2025-04-11   
854-285 7 Charleston SC   548E ONVOY, LLC - SC 436   2025-04-11   
854-285 8 Charleston SC   548E ONVOY, LLC - SC 436   2025-03-09   
854-285 9 Charleston SC   548E ONVOY, LLC - SC 436   2025-03-09   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.