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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
605-307 0 Hill City SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-316 2 Iroquois SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-318 2 Pierre SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-409 2 Harrisburg-Tea SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-453 9 Miller SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-460 9 Redfield SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-499 5 Sturgis SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-525 7 Lake Preston SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-566 2 Spearfish SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-597 2 Mitchell SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-601 A Sioux Falls SD 506J TWILIO INTERNATIONAL, INC. 640      
605-601 6 Sioux Falls SD 506J TWILIO INTERNATIONAL, INC. 640   2020-12-21   
605-608 6 Rapid City SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-640 8 McIntosh SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-657 5 Watertown SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-741 3 Vermillion SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-815 8 Chamberlain SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-827 3 Volga SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-864 5 Flandreau SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-952 3 Elk Point SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-971 5 Aberdeen SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   
605-975 2 Yankton SD 506J TWILIO INTERNATIONAL, INC. 640   2021-02-22   

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

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