Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-401 A Torrington WY SCTSNEXUIMD  6010 NEW CINGULAR WIRELESS PCS, LLC 646      
307-401 0 Torrington WY SCTSNEXUIMD  6010 NEW CINGULAR WIRELESS PCS, LLC 646      
307-401 1 Torrington WY SCTSNEXUIMD  6010 NEW CINGULAR WIRELESS PCS, LLC 646      
307-401 2 Torrington WY SCTSNEXUIMD  6010 NEW CINGULAR WIRELESS PCS, LLC 646   2016-09-21   
307-401 3 Torrington WY GDISNENWX2X  6529 T-MOBILE USA, INC. 646   2019-10-18   
307-401 4 Torrington WY GDISNENWX2X  6529 T-MOBILE USA, INC. 646   2019-10-18   
307-401 5 Torrington WY GDISNENWX2X  6529 T-MOBILE USA, INC. 646   2019-10-18   
307-401 6 Torrington WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2021-04-21   
307-401 7 Torrington WY GDISNENWUMD  508J CENTURYLINK COMMUNICATIONS, LLC 646   2014-12-08   
307-401 8 Torrington WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2021-04-21   
307-401 9 Torrington WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2021-07-11   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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