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: 594

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-594 A Norborne MO NRBRMOXARS0  1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-594 0 Norborne MO   1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-594 3 Norborne MO   1811 EMBARQ MISSOURI, INC. DBA CENTURYLINK - MO 524      
660-594 4 Norborne MO   093F ONVOY, LLC - MO 524   2020-07-10   
660-594 5 Norborne MO   093F ONVOY, LLC - MO 524   2020-07-10   
660-594 7 Norborne MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2013-11-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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