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: 378

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-378 A Dalton MO KSCYMO03AMD  145J TERRA NOVA TELECOM INC. 524      
660-378 2 Dalton MO KSCYMO55DSG  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-04-25   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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