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: BLTNILATOMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-364 2 Streator IL 6529 T-MOBILE USA, INC. 366   2023-08-16   
779-364 3 Streator IL 6529 T-MOBILE USA, INC. 366   2023-08-16   
779-364 4 Streator IL 6529 T-MOBILE USA, INC. 366   2023-08-16   
779-804 4 Pontiac IL 6529 T-MOBILE USA, INC. 366   2015-07-06   
779-804 5 Pontiac IL 6529 T-MOBILE USA, INC. 366   2015-07-06   
779-804 6 Pontiac IL 6529 T-MOBILE USA, INC. 366   2015-07-06   
779-804 7 Pontiac IL 6529 T-MOBILE USA, INC. 366   2015-07-06   
815-419 1 Pontiac IL 6529 T-MOBILE USA, INC. 366   2007-05-26   
815-419 3 Pontiac IL 6529 T-MOBILE USA, INC. 366   2010-11-17   
815-867 A Pontiac IL 6529 T-MOBILE USA, INC. 366      
815-867 0 Pontiac IL 6529 T-MOBILE USA, INC. 366      
815-867 1 Pontiac IL 6529 T-MOBILE USA, INC. 366   2006-03-17   
815-867 2 Pontiac IL 6529 T-MOBILE USA, INC. 366   2004-09-04   
815-867 6 Pontiac IL 6529 T-MOBILE USA, INC. 366      
815-867 7 Pontiac IL 6529 T-MOBILE USA, INC. 366      
815-992 A Streator IL 6529 T-MOBILE USA, INC. 366      
815-992 7 Streator IL 6529 T-MOBILE USA, INC. 366   2005-06-12   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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