Local Calling Guide

Area code/prefix search

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Hillsboro MCA5, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-797 A HLBOMO66RS1  9533 SOUTHWESTERN BELL 520      
636-797 1   9533 SOUTHWESTERN BELL 520      
636-797 2   9533 SOUTHWESTERN BELL 520      
636-797 3   9533 SOUTHWESTERN BELL 520      
636-797 4   9533 SOUTHWESTERN BELL 520      
636-797 5   9533 SOUTHWESTERN BELL 520      
636-797 6   9533 SOUTHWESTERN BELL 520      
636-797 7   508J CENTURYLINK COMMUNICATIONS, LLC 520   2014-07-22   
636-797 8   792K CHARTER IP ENABLED SERVICES, LLC 520   2006-06-15   
636-797 9   9533 SOUTHWESTERN BELL 520      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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