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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-500 A Ethel MO KSCYMO55X0Z  965H FRACTEL, LLC 524      
660-500 0 Ethel MO   965H FRACTEL, LLC 524   2020-10-30   
660-500 1 Ethel MO INDPMOBHBMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 524   2021-11-28   
660-500 5 Ethel MO   145J TERRA NOVA TELECOM INC. 524   2025-07-26   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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