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: 977

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-977 A Bunceton MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-977 7 Bunceton MO   145J TERRA NOVA TELECOM INC. 524   2025-05-31   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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