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: 346

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-346 A Cheyenne WY CHYNWYRFBMD  490J DISH WIRELESS, LLC 654      
307-346 0 Cheyenne WY CHYNWY07GMD  6529 T-MOBILE USA, INC. 654      
307-346 7 Cheyenne WY   450F ONVOY, LLC - WY 654      
307-346 8 Cheyenne WY   450F ONVOY, LLC - WY 654      
307-346 9 Cheyenne WY CHYNWYRFBMD  490J DISH WIRELESS, LLC 654      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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