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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
730-231 8 East St Louis IL 6529 T-MOBILE USA, INC. 520   2024-03-10   
730-231 9 East St Louis IL 6529 T-MOBILE USA, INC. 520   2024-03-10   
730-233 A McClure IL 6529 T-MOBILE USA, INC. 520   2024-02-24   
730-233 8 McClure IL 6529 T-MOBILE USA, INC. 520   2024-02-24   
730-233 9 McClure IL 6529 T-MOBILE USA, INC. 520   2024-02-24   
730-236 A Troy IL 6529 T-MOBILE USA, INC. 520   2024-03-24   
730-236 1 Troy IL 6529 T-MOBILE USA, INC. 520   2024-03-26   
730-236 9 Troy IL 6529 T-MOBILE USA, INC. 520   2024-03-24   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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