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: DVNPIA80XTX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-517 9 Moline IL 145J TERRA NOVA TELECOM INC. 634   2024-05-10   
319-601 2 Burlington IA 145J TERRA NOVA TELECOM INC. 634   2024-05-10   
319-669 6 Fort Madison IA 145J TERRA NOVA TELECOM INC. 634   2024-04-21   
563-554 5 Muscatine IA 145J TERRA NOVA TELECOM INC. 634   2024-04-21   
563-844 A Davenport IA 145J TERRA NOVA TELECOM INC. 634      
815-281 8 Galena IL 145J TERRA NOVA TELECOM INC. 634   2024-05-10   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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