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: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
636-331 A Festus-Crystal City MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
636-331 0 Festus-Crystal City MO   6529 T-MOBILE USA, INC. 520   2021-05-06   
636-331 1 Festus-Crystal City MO   6529 T-MOBILE USA, INC. 520   2021-05-06   
636-331 2 Festus-Crystal City MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2019-03-28   
636-331 3 Festus-Crystal City MO   145J TERRA NOVA TELECOM INC. 520   2021-01-20   
636-331 7 Festus-Crystal City MO   093F ONVOY, LLC - MO 520   2019-02-02   
636-331 8 Festus-Crystal City MO   6529 T-MOBILE USA, INC. 520   2017-09-23   
636-331 9 Festus-Crystal City MO   6529 T-MOBILE USA, INC. 520   2017-09-23   

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

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