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: GWNNMIMNRSA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-346 A Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-346 0 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-346 3 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-346 4 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-346 5 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-346 6 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-346 7 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-346 8 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-346 9 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-372 A Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-372 1 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-372 2 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      
906-372 9 Gwinn MI 9323 MICHIGAN BELL TEL CO 342      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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