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: 843 [Rate centres in NPA 843] [Dial plan for NPA 843]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
843-203 A Charleston SC CHTNSCDT08Z  508J CENTURYLINK COMMUNICATIONS, LLC 436      
843-203 0 Charleston SC CHTNSCDTX4Y  5258 LEVEL 3 COMMUNICATIONS, LLC - SC 436      
843-203 1 Charleston SC CHTNSCDT20Z  1784 SOUTH CAROLINA NET, INC. - SC 436      
843-203 2 Charleston SC CHTNSCDT20Z  1784 SOUTH CAROLINA NET, INC. - SC 436      
843-203 3 Charleston SC CHTNSCDT24Z  318J COMCAST IP PHONE, LLC 436      
843-203 4 Charleston SC CHTNSCDT24Z  318J COMCAST IP PHONE, LLC 436      
843-203 5 Charleston SC CHTNSCDTX4Y  5258 LEVEL 3 COMMUNICATIONS, LLC - SC 436      
843-203 6 Charleston SC CHTNSCDT24Z  318J COMCAST IP PHONE, LLC 436      
843-203 7 Charleston SC CHTNSCDT08Z  508J CENTURYLINK COMMUNICATIONS, LLC 436      
843-203 8 Charleston SC CHTNSCDTX6Z  077F BANDWIDTH.COM CLEC, LLC - SC 436      
843-203 9 Charleston SC CHTNSCDTX4Y  5258 LEVEL 3 COMMUNICATIONS, LLC - SC 436      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.