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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Forum, AR

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
479-376 A FYVLARATRMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 526      
479-376 0 FYVLARATPMD  073H TELNYX LLC 526   2024-06-30   
479-376 1 FYVLARATPMD  073H TELNYX LLC 526   2024-08-24   
479-376 2 FYVLARATRMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 526   2020-02-04   
479-559 A HNVIARXADS0  1709 MADISON COUNTY TEL. CO., INC. 526      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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