Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 660 [Rate centres in NPA 660] [Dial plan for NPA 660]

NXX: 333

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-333 A Otterville MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-333 0 Otterville MO   145J TERRA NOVA TELECOM INC. 524   2025-07-26   
660-333 3 Otterville MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2015-11-29   
660-333 4 Otterville MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-333 7 Otterville MO   093F ONVOY, LLC - MO 524   2020-11-15   
660-333 8 Otterville MO   093F ONVOY, LLC - MO 524   2020-11-15   

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

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