Local Calling Guide

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Cedar Hill MCA5, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-274 A CDHLMO51RS0  9533 SOUTHWESTERN BELL 520      
636-274 0   9533 SOUTHWESTERN BELL 520      
636-274 1   9533 SOUTHWESTERN BELL 520      
636-274 2   9533 SOUTHWESTERN BELL 520      
636-274 3   9533 SOUTHWESTERN BELL 520      
636-274 4   9533 SOUTHWESTERN BELL 520      
636-274 5   9533 SOUTHWESTERN BELL 520      
636-274 6   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-04   
636-274 7   9533 SOUTHWESTERN BELL 520      
636-274 8   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-04   
636-274 9   9533 SOUTHWESTERN BELL 520      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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