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: 295

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-295 A Torrington WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646      
307-295 0 Torrington WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2024-01-08   
307-295 1 Torrington WY   6529 T-MOBILE USA, INC. 646   2025-06-11   
307-295 2 Torrington WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646   2023-11-16   
307-295 7 Torrington WY GDISNENW6MD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 646   2023-11-20   

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

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