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: 451

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-451 A Gray Summit MCA5 MO GRSMMO55RS2  9533 SOUTHWESTERN BELL 520      
636-451 0 Gray Summit MCA5 MO GRSMMO55RS2  9533 SOUTHWESTERN BELL 520      
636-451 1 Gray Summit MCA5 MO GRSMMO55RS2  9533 SOUTHWESTERN BELL 520      
636-451 2 Gray Summit MCA5 MO GRSMMO55RS2  9533 SOUTHWESTERN BELL 520      
636-451 3 Gray Summit MCA5 MO   145J TERRA NOVA TELECOM INC. 520      
636-451 4 Gray Summit MCA5 MO GRSMMO55RS2  9533 SOUTHWESTERN BELL 520      
636-451 5 Gray Summit MCA5 MO GRSMMO55RS2  9533 SOUTHWESTERN BELL 520      
636-451 6 Gray Summit MCA5 MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520      
636-451 7 Gray Summit MCA5 MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
636-451 8 Gray Summit MCA5 MO   093F ONVOY, LLC - MO 520      
636-451 9 Gray Summit MCA5 MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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