Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CDHLMO51RS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
636-274 A Cedar Hill MCA5 MO 9533 SOUTHWESTERN BELL 520      
636-274 0 Cedar Hill MCA5 MO 9533 SOUTHWESTERN BELL 520      
636-274 1 Cedar Hill MCA5 MO 9533 SOUTHWESTERN BELL 520      
636-274 2 Cedar Hill MCA5 MO 9533 SOUTHWESTERN BELL 520      
636-274 3 Cedar Hill MCA5 MO 9533 SOUTHWESTERN BELL 520      
636-274 4 Cedar Hill MCA5 MO 9533 SOUTHWESTERN BELL 520      
636-274 5 Cedar Hill MCA5 MO 9533 SOUTHWESTERN BELL 520      
636-274 7 Cedar Hill MCA5 MO 9533 SOUTHWESTERN BELL 520      
636-274 9 Cedar Hill MCA5 MO 9533 SOUTHWESTERN BELL 520      
636-285 A Cedar Hill MO 9533 SOUTHWESTERN BELL 520      
636-285 0 Cedar Hill MO 9533 SOUTHWESTERN BELL 520      
636-285 1 Cedar Hill MO 9533 SOUTHWESTERN BELL 520      
636-285 7 Cedar Hill MO 9533 SOUTHWESTERN BELL 520      
636-285 9 Cedar Hill MO 9533 SOUTHWESTERN BELL 520      

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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