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: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-366 A Emporia KS WCHTKSBRXFX  6267 UNITED STATES CELLULAR - KS 532      
620-366 0 Emporia KS   6267 UNITED STATES CELLULAR - KS 532      
620-366 1 Emporia KS   6267 UNITED STATES CELLULAR - KS 532      
620-366 2 Emporia KS   6267 UNITED STATES CELLULAR - KS 532      
620-366 3 Emporia KS   6267 UNITED STATES CELLULAR - KS 532      
620-366 4 Emporia KS   5562 METROPCS, INC. 532   2021-05-08   
620-366 5 Emporia KS   205F ONVOY, LLC - KS 532   2023-08-12   
620-366 6 Emporia KS   516J TON80 COMMUNICATIONS, LLC 532   2022-03-19   
620-366 7 Emporia KS   205F ONVOY, LLC - KS 532   2020-10-18   
620-366 8 Emporia KS   205F ONVOY, LLC - KS 532   2020-10-18   
620-366 9 Emporia KS   6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532   2011-03-28   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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