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: 339

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-339 A Trenton MO TRENMOELRS0  9533 SOUTHWESTERN BELL 524      
660-339 0 Trenton MO   9533 SOUTHWESTERN BELL 524      
660-339 1 Trenton MO   9533 SOUTHWESTERN BELL 524      
660-339 2 Trenton MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2013-02-15   
660-339 3 Trenton MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 524   2025-01-25   
660-339 5 Trenton MO   516C AT&T CORP. 524   2011-10-04   
660-339 6 Trenton MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-04   
660-339 7 Trenton MO   9533 SOUTHWESTERN BELL 524      
660-339 8 Trenton MO   159E MERCURY VOICE AND DATA LLC DBA SUDDENLINK COMM-MO 524   2014-03-02   

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

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