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: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-313 A Manchester MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2026-05-30   
636-313 4 Manchester MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2026-07-16   
636-313 8 Manchester MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2026-06-01   
636-313 9 Manchester MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2026-05-30   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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