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: TYVLILXCZMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-250 A Litchfield IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976      
217-556 A Litchfield IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976      
217-710 A Litchfield IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976      
217-823 A Taylorville IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976      
217-825 A Taylorville IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976      
217-827 A Taylorville IL 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 976      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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