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: 341

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-341 A Festus-Crystal City MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2021-06-28   
636-341 3 Festus-Crystal City MO   506J TWILIO INTERNATIONAL INC 520   2021-06-30   
636-341 6 Festus-Crystal City MO   6529 T-MOBILE USA, INC. 520   2022-05-05   
636-341 7 Festus-Crystal City MO   6529 T-MOBILE USA, INC. 520   2022-05-05   
636-341 8 Festus-Crystal City MO   6529 T-MOBILE USA, INC. 520   2022-05-05   
636-341 9 Festus-Crystal City MO   6529 T-MOBILE USA, INC. 520   2021-06-28   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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