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: 332

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-332 A La Plata MO LPLTMOXADS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
660-332 0 La Plata MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-04   
660-332 1 La Plata MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
660-332 2 La Plata MO   145J TERRA NOVA TELECOM INC. 524   2025-10-09   
660-332 4 La Plata MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
660-332 5 La Plata MO   250A CHARITON VALLEY COMMUNICATIONS CORPORATION 524   2022-06-13   
660-332 7 La Plata MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 524      
660-332 8 La Plata MO   624H ONVOY SPECTRUM, LLC 524   2025-01-12   

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

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