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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
843-990 A Charleston SC CHTNSCDT14Z  156J RCLEC, INC. 436      
843-990 0 Charleston SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2015-09-21   
843-990 1 Charleston SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2015-09-21   
843-990 2 Charleston SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2015-10-04   
843-990 3 Charleston SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2015-10-04   
843-990 4 Charleston SC CHTNSCDT14Z  687H RCLEC, INC. - SC 436   2015-09-20   
843-990 5 Charleston SC CHTNSCDT20Z  1784 SOUTH CAROLINA NET, INC. - SC 436   2015-09-21   
843-990 6 Charleston SC CHTNSCPSX6Z  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 436   2016-10-02   
843-990 7 Charleston SC CHTNSCDT20Z  1784 SOUTH CAROLINA NET, INC. - SC 436   2015-09-21   
843-990 8 Charleston SC CHTNSCDT05Z  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 436   2015-09-21   
843-990 9 Charleston SC CHTNSCDT24Z  318J COMCAST IP PHONE, LLC 436   2015-10-05   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.