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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Janice, MS

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
601-598 A JNCEMSXA0MD  0454 FRANKLIN TEL. CO., INC. 482      
769-629 A JCSNMSCPXMZ  719E ONVOY, LLC - MS 482      
769-629 0 JCSNMSCPXMZ  719E ONVOY, LLC - MS 482   2023-09-28   
769-629 6 JCSNMSCPXMZ  719E ONVOY, LLC - MS 482   2022-08-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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