Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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St John, KS

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
620-377 A GBTPKSAC0MD  122D NEX-TECH WIRELESS, LLC 532      
620-377 0   624H ONVOY SPECTRUM, LLC 532   2025-01-21   
620-377 3   2240 LEVEL 3 COMMUNICATIONS, LLC - KS 532   2014-03-06   
620-377 5   787D GBT COMMUNICATIONS, INC. - KS 532   2008-07-01   
620-377 6   205F ONVOY, LLC - KS 532   2019-09-05   
620-377 7   122D NEX-TECH WIRELESS, LLC 532   2005-10-29   
620-377 8   205F ONVOY, LLC - KS 532   2020-10-19   
620-377 9   205F ONVOY, LLC - KS 532   2020-10-19   
620-549 A STJHKSXADS0  1810 UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK 532      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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