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: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-271 A Pacific MCA5 MO PCFCMO61RS0  9533 SOUTHWESTERN BELL 520      
636-271 0 Pacific MCA5 MO   9533 SOUTHWESTERN BELL 520      
636-271 1 Pacific MCA5 MO   9533 SOUTHWESTERN BELL 520      
636-271 2 Pacific MCA5 MO   9533 SOUTHWESTERN BELL 520      
636-271 3 Pacific MCA5 MO   9533 SOUTHWESTERN BELL 520      
636-271 4 Pacific MCA5 MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2014-05-24   
636-271 5 Pacific MCA5 MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-09-20   
636-271 6 Pacific MCA5 MO   9533 SOUTHWESTERN BELL 520      
636-271 7 Pacific MCA5 MO   9533 SOUTHWESTERN BELL 520      
636-271 8 Pacific MCA5 MO   9533 SOUTHWESTERN BELL 520      
636-271 9 Pacific MCA5 MO   9533 SOUTHWESTERN BELL 520      

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

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