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: 655

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-655 A Houstonia MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-655 4 Houstonia MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-655 5 Houstonia MO KSCYMO55X0Z  965H FRACTEL, LLC 524   2019-11-14   
660-655 6 Houstonia MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2018-10-28   
660-655 7 Houstonia MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2021-03-07   

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

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