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: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-575 A Runaway Bay TX RNBYTXXARS1  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 552      
940-575 0 Runaway Bay TX RNBYTXXARS1  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 552      
940-575 1 Runaway Bay TX RNBYTXXARS1  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 552      
940-575 2 Runaway Bay TX RNBYTXXARS1  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 552      
940-575 3 Runaway Bay TX RNBYTXXARS1  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 552      
940-575 4 Runaway Bay TX RNBYTXXARS1  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 552      
940-575 5 Runaway Bay TX RNBYTXXARS1  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 552      
940-575 6 Runaway Bay TX RNBYTXXARS1  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 552      
940-575 7 Runaway Bay TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2017-06-06   
940-575 8 Runaway Bay TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-19   
940-575 9 Runaway Bay TX RNBYTXXARS1  2084 UNITED TELEPHONE OF TEXAS INC DBA CENTURYLINK 552      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.