Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 636 [Rate centres in NPA 636] [Dial plan for NPA 636]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-587 A Eureka MO EURKMO53RS0  9533 SOUTHWESTERN BELL 520      
636-587 0 Eureka MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-17   
636-587 1 Eureka MO   9533 SOUTHWESTERN BELL 520      
636-587 2 Eureka MO   9533 SOUTHWESTERN BELL 520      
636-587 3 Eureka MO   9533 SOUTHWESTERN BELL 520      
636-587 4 Eureka MO   7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2012-07-20   
636-587 5 Eureka MO   093F ONVOY, LLC - MO 520   2024-05-23   
636-587 6 Eureka MO   516C AT&T CORP. 520   2008-10-07   
636-587 7 Eureka MO   093F ONVOY, LLC - MO 520   2019-05-07   
636-587 8 Eureka MO   093F ONVOY, LLC - MO 520   2019-05-07   
636-587 9 Eureka MO   9533 SOUTHWESTERN BELL 520      

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

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