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: 598

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-598 A Rockville MO RKVLMOXADS0  1151 SPECTRA COMMUNICATIONS GROUP, LLC DBA CENTURYLINK 524      
660-598 0 Rockville MO KSCYMO55XSY  073H TELNYX LLC 524   2020-08-07   
660-598 2 Rockville MO RKVLMOXADS0  1151 SPECTRA COMMUNICATIONS GROUP, LLC DBA CENTURYLINK 524      
660-598 3 Rockville MO KSCYMO55DSG  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-04   
660-598 4 Rockville MO RKVLMOXADS0  1151 SPECTRA COMMUNICATIONS GROUP, LLC DBA CENTURYLINK 524      
660-598 5 Rockville MO WRBGMOXAXCX  093F ONVOY, LLC - MO 524   2018-10-29   
660-598 6 Rockville MO RKVLMOXADS0  1151 SPECTRA COMMUNICATIONS GROUP, LLC DBA CENTURYLINK 524      
660-598 7 Rockville MO KSCZMODR3MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 524   2014-05-05   

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

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