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: 635

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-635 A Trenton MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-635 0 Trenton MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-635 1 Trenton MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524      
660-635 2 Trenton MO INDPMOXCGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 524   2008-01-17   
660-635 5 Trenton MO KSCYMO03AMD  145J TERRA NOVA TELECOM INC. 524   2024-02-13   

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

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