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: 250

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-250 A Orchard Farm MO   1927 NEW FLORENCE TEL. CO., INC. 520      
636-250 1 Orchard Farm MO   6529 T-MOBILE USA, INC. 520   2026-01-15   
636-250 2 Orchard Farm MO   6529 T-MOBILE USA, INC. 520   2025-04-13   
636-250 3 Orchard Farm MO   1927 NEW FLORENCE TEL. CO., INC. 520      
636-250 4 Orchard Farm MO   1927 NEW FLORENCE TEL. CO., INC. 520      
636-250 5 Orchard Farm MO   1927 NEW FLORENCE TEL. CO., INC. 520      
636-250 8 Orchard Farm MO STLVMOOH6MD  5562 METROPCS, INC. 520   2014-07-25   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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