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: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
854-858 A Mount Pleasant SC CHTNSCDTX6Y  548E ONVOY, LLC - SC 436      
854-858 0 Mount Pleasant SC CHTNSCDT21Z  073H TELNYX LLC 436   2021-04-07   
854-858 1 Mount Pleasant SC CHTNSCFU2MD  939H COMMIO, LLC 436   2021-07-08   
854-858 2 Mount Pleasant SC CHTNSC753MD  8645 SUNCOM DBA T-MOBILE USA 436   2021-11-07   
854-858 3 Mount Pleasant SC CHTNSC753MD  8645 SUNCOM DBA T-MOBILE USA 436   2021-11-07   
854-858 4 Mount Pleasant SC CHTNSCDT27Z  506J TWILIO INTERNATIONAL, INC. 436   2021-04-23   
854-858 5 Mount Pleasant SC CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2021-04-06   
854-858 6 Mount Pleasant SC CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2021-04-06   
854-858 7 Mount Pleasant SC CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2021-04-06   
854-858 8 Mount Pleasant SC CHTNSCDTX6Y  548E ONVOY, LLC - SC 436   2021-04-06   
854-858 9 Mount Pleasant SC CHTNSCFU2MD  939H COMMIO, LLC 436   2021-07-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.