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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
810-895 4 Lapeer MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
810-936 0 Fenton MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2005-01-12   
810-936 4 Fenton MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2003-08-20   
810-936 5 Fenton MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
810-936 6 Fenton MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-01-05   
810-991 4 Hartland MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2004-02-07   
947-216 3 Farmington MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2020-08-07   
947-217 3 Southfield MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2020-05-15   
947-219 3 Birmingham MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2020-08-07   
947-219 5 Birmingham MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2020-10-03   
947-237 A Birmingham MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
947-237 2 Birmingham MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2021-01-07   
947-600 2 Northville MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2020-08-07   
989-461 2 Gaines MI 6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340   2006-05-31   

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

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