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: MRQTMIAQDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-204 1 Ishpeming MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   
906-292 2 Brevort MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   
906-315 A Marquette MI 817J TELNET WORLDWIDE, INC. 342      
906-325 A Rock MI 4632 TELNET WORLDWIDE, INC. 342      
906-339 7 Champion MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   
906-359 6 Perkins MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   
906-474 1 Rapid River MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   
906-498 0 Hermansville MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   
906-542 1 Channing MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   
906-663 1 Bessemer MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   
906-723 2 Bark River MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   
906-760 A Republic MI 4632 TELNET WORLDWIDE, INC. 342      
906-934 1 Calumet MI 4632 TELNET WORLDWIDE, INC. 342   2005-09-04   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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