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.
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Switch: ADRNMIXGVMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-217 A Clinton MI 3459 TC3 TELECOM, INC. - MI 340      
517-417 A Adrian MI 3459 TC3 TELECOM, INC. - MI 340      
517-431 6 Tipton MI 3459 TC3 TELECOM, INC. - MI 340   2010-10-20   
517-436 1 Sand Creek MI 3459 TC3 TELECOM, INC. - MI 340   2010-11-12   
517-443 4 Ogden Center MI 3459 TC3 TELECOM, INC. - MI 340   2011-10-23   
517-447 6 Deerfield MI 3459 TC3 TELECOM, INC. - MI 340   2010-11-22   
517-451 6 Britton MI 3459 TC3 TELECOM, INC. - MI 340   2010-11-05   
517-467 1 Onsted MI 3459 TC3 TELECOM, INC. - MI 340   2011-01-14   
517-470 A Tecumseh MI 3459 TC3 TELECOM, INC. - MI 340      
517-502 A Hudson MI 3459 TC3 TELECOM, INC. - MI 340      
517-504 A Morenci MI 3459 TC3 TELECOM, INC. - MI 340      
517-606 A Blissfield MI 3459 TC3 TELECOM, INC. - MI 340      
734-279 6 Petersburg MI 3459 TC3 TELECOM, INC. - MI 340   2011-04-06   
734-295 3 Saline MI 3459 TC3 TELECOM, INC. - MI 340   2008-09-10   
734-529 6 Dundee MI 3459 TC3 TELECOM, INC. - MI 340   2009-06-10   
734-868 6 Ida MI 3459 TC3 TELECOM, INC. - MI 340   2010-10-31   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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