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: 992

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-992 A Blackburn MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-992 0 Blackburn MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-992 2 Blackburn MO KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2021-11-18   
660-992 3 Blackburn MO KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2021-11-18   
660-992 4 Blackburn MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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