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: 533

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-533 A Little River KS GBTPKSAC0MD  122D NEX-TECH WIRELESS, LLC 532      
620-533 0 Little River KS GBTPKSAC0MD  122D NEX-TECH WIRELESS, LLC 532   2017-02-10   
620-533 5 Little River KS   145J TERRA NOVA TELECOM INC. 532   2025-05-28   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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