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: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-228 A Montrose MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-228 0 Montrose MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524      
660-228 1 Montrose MO KSCYMO55XSY  073H TELNYX LLC 524      
660-228 2 Montrose MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524      
660-228 6 Montrose MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524      
660-228 7 Montrose MO KSCAMO961MD  508J CENTURYLINK COMMUNICATIONS, LLC 524      
660-228 8 Montrose MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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