Local Calling Guide

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

NXX: 461

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-461 A Imperial MCA3 MO IMPRMO58RS2  9533 SOUTHWESTERN BELL 520      
636-461 0 Imperial MCA3 MO   9533 SOUTHWESTERN BELL 520      
636-461 1 Imperial MCA3 MO   9533 SOUTHWESTERN BELL 520      
636-461 2 Imperial MCA3 MO   9533 SOUTHWESTERN BELL 520      
636-461 3 Imperial MCA3 MO   9533 SOUTHWESTERN BELL 520   2007-07-20   
636-461 5 Imperial MCA3 MO   145J TERRA NOVA TELECOM INC. 520   2024-02-13   
636-461 6 Imperial MCA3 MO   145J TERRA NOVA TELECOM INC. 520   2023-04-27   
636-461 7 Imperial MCA3 MO   145J TERRA NOVA TELECOM INC. 520   2024-09-14   
636-461 8 Imperial MCA3 MO   624H ONVOY SPECTRUM, LLC 520   2024-03-23   
636-461 9 Imperial MCA3 MO   490J DISH WIRELESS, LLC 520   2022-05-17   

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

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