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: 531 [Rate centres in NPA 531] [Dial plan for NPA 531]

NXX: 396

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
531-396 A Lincoln NE   549E ONVOY, LLC - NE 958   2025-06-07   
531-396 0 Lincoln NE   549E ONVOY, LLC - NE 958   2025-06-07   
531-396 8 Lincoln NE   6263 UNITED STATES CELLULAR - NE 958   2025-06-09   
531-396 9 Lincoln NE   6263 UNITED STATES CELLULAR - NE 958   2025-06-09   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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