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: 484

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-484 A Cheyenne WY   700J WAVENATION, LLC 654   2026-03-06   
307-484 0 Cheyenne WY   700J WAVENATION, LLC 654   2026-03-06   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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