Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 816 [Rate centres in NPA 816] [Dial plan for NPA 816]

NXX: 685

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-685 A De Kalb MO RUVLMORARS0  9533 SOUTHWESTERN BELL 524      
816-685 0 De Kalb MO   093F ONVOY, LLC - MO 524   2019-01-13   
816-685 1 De Kalb MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-04   
816-685 2 De Kalb MO   073H TELNYX LLC 524   2019-09-30   
816-685 3 De Kalb MO   9533 SOUTHWESTERN BELL 524      
816-685 4 De Kalb MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2017-03-20   
816-685 5 De Kalb MO   516C AT&T CORP. 524   2011-06-01   
816-685 6 De Kalb MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2014-05-07   
816-685 7 De Kalb MO   793K TWC IP ENABLED SERVICES, LLC 524   2023-06-11   
816-685 8 De Kalb MO   093F ONVOY, LLC - MO 524   2017-04-03   
816-685 9 De Kalb MO   093F ONVOY, LLC - MO 524   2019-01-13   

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

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