Local Calling Guide

Area code/prefix search

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NPA: 816 [Rate centres in NPA 816] [Dial plan for NPA 816]

NXX: 393

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-393 A Clarksdale MO CSDLMOXARS1  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-393 0 Clarksdale MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-10   
816-393 1 Clarksdale MO   073H TELNYX LLC 524   2020-07-30   
816-393 3 Clarksdale MO   145J TERRA NOVA TELECOM INC. 524   2025-07-21   
816-393 4 Clarksdale MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2017-03-20   
816-393 5 Clarksdale MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
816-393 6 Clarksdale MO   093F ONVOY, LLC - MO 524   2021-05-15   
816-393 7 Clarksdale MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2013-10-28   

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

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