Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 620 [Rate centres in NPA 620] [Dial plan for NPA 620]

NXX: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
620-904 A Sterling KS WCHTKSMBX2X  2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532      
620-904 0 Sterling KS   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532      
620-904 2 Sterling KS   205F ONVOY, LLC - KS 532   2020-06-29   
620-904 3 Sterling KS   205F ONVOY, LLC - KS 532   2020-06-29   
620-904 4 Sterling KS   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532   2005-01-22   
620-904 5 Sterling KS   205F ONVOY, LLC - KS 532   2021-03-07   
620-904 6 Sterling KS   205F ONVOY, LLC - KS 532   2021-03-07   
620-904 7 Sterling KS   122D NEX-TECH WIRELESS, LLC 532   2005-08-25   
620-904 8 Sterling KS   6532 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KS 532   2024-06-24   
620-904 9 Sterling KS   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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