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: JFCYMOXAXLX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
573-291 A Jefferson City MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-301 A Jefferson City MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-508 A Taos MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-536 A Taos MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-619 A Jefferson City MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-644 A Jefferson City MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-645 A Jefferson City MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-680 A Jefferson City MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-690 A Jefferson City MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-694 A Jefferson City MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      
573-821 A Jefferson City MO 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 521      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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