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.

Switch: STLSMOGZSMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
314-888 7 Ladue MO 145J TERRA NOVA TELECOM INC. 520   2023-08-06   
557-999 A Sappington MO 733J WIRETAP TELECOM, LLC. 520      
557-999 7 Sappington MO 733J WIRETAP TELECOM, LLC. 520   2023-05-13   
573-333 8 Caruthersville MO 145J TERRA NOVA TELECOM INC. 520   2023-08-06   
573-444 7 Fredericktown MO 145J TERRA NOVA TELECOM INC. 520   2023-08-06   
573-666 8 Bowling Green MO 145J TERRA NOVA TELECOM INC. 520   2023-08-06   
618-489 6 Edgemont IL 145J TERRA NOVA TELECOM INC. 520   2023-08-05   
618-929 9 Collinsville IL 145J TERRA NOVA TELECOM INC. 520   2023-08-05   
636-648 3 Portage des Sioux MO 145J TERRA NOVA TELECOM INC. 520   2023-08-06   
636-933 7 Festus-Crystal City MO 145J TERRA NOVA TELECOM INC. 520   2023-08-06   

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

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