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: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 461

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-461 A Galena KS CLMBKSXADS1  342H FIBER COMMUNICATIONS OF COLUMBUS LLC - KS 532      
620-461 0 Galena KS CLMBKSXADS1  342H FIBER COMMUNICATIONS OF COLUMBUS LLC - KS 532   2014-08-15   
620-461 1 Galena KS WCHTKSBRXPZ  624H ONVOY SPECTRUM, LLC 532   2024-04-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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