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: CENLILTU0MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
730-258 4 Centralia IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-12-30   
730-258 5 Centralia IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-12-30   
730-258 6 Centralia IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-12-27   
730-258 7 Centralia IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-12-27   
730-258 8 Centralia IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-12-27   
730-258 9 Centralia IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-12-27   

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

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