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: 529

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
660-529 A Slater MO SLTRMOLARS0  9533 SOUTHWESTERN BELL 524      
660-529 0 Slater MO   073H TELNYX LLC 524   2019-09-30   
660-529 1 Slater MO   9533 SOUTHWESTERN BELL 524      
660-529 2 Slater MO   9533 SOUTHWESTERN BELL 524      
660-529 3 Slater MO   9533 SOUTHWESTERN BELL 524      
660-529 4 Slater MO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 524   2020-12-08   
660-529 7 Slater MO   508J CENTURYLINK COMMUNICATIONS, LLC 524   2014-05-07   
660-529 8 Slater MO   624H ONVOY SPECTRUM, LLC 524   2024-03-20   
660-529 9 Slater MO   9533 SOUTHWESTERN BELL 524      

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

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