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: PEORILPJX1Y

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
779-349 5 Spring Valley IL 6529 T-MOBILE USA, INC. 368   2023-01-12   
779-349 6 Spring Valley IL 6529 T-MOBILE USA, INC. 368   2023-01-12   
779-349 7 Spring Valley IL 6529 T-MOBILE USA, INC. 368   2022-02-25   
779-349 8 Spring Valley IL 6529 T-MOBILE USA, INC. 368   2022-02-25   
779-349 9 Spring Valley IL 6529 T-MOBILE USA, INC. 368   2022-02-25   
779-386 A Princeton IL 6529 T-MOBILE USA, INC. 368   2024-03-24   
779-386 7 Princeton IL 6529 T-MOBILE USA, INC. 368   2024-03-24   
779-386 9 Princeton IL 6529 T-MOBILE USA, INC. 368   2024-03-24   
779-717 2 Spring Valley IL 6529 T-MOBILE USA, INC. 368   2017-05-25   
779-717 3 Spring Valley IL 6529 T-MOBILE USA, INC. 368   2017-05-25   
779-717 4 Spring Valley IL 6529 T-MOBILE USA, INC. 368   2017-05-25   
815-503 A Mendota IL 5562 METROPCS, INC. 368      
815-503 0 Mendota IL 6529 T-MOBILE USA, INC. 368      
815-503 4 Mendota IL 6529 T-MOBILE USA, INC. 368   2011-04-14   
815-503 5 Mendota IL 6529 T-MOBILE USA, INC. 368   2018-05-09   
815-503 6 Mendota IL 5562 METROPCS, INC. 368   2020-09-30   
815-503 7 Mendota IL 6529 T-MOBILE USA, INC. 368   2012-10-12   
815-503 9 Mendota IL 6529 T-MOBILE USA, INC. 368      
815-615 2 Mendota IL 6529 T-MOBILE USA, INC. 368   2021-03-20   
815-719 A Princeton IL 5562 METROPCS, INC. 368      
815-719 0 Princeton IL 5562 METROPCS, INC. 368      
815-719 1 Princeton IL 5562 METROPCS, INC. 368      
815-719 4 Princeton IL 5562 METROPCS, INC. 368      

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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