Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Alpine, WY

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
307-376 A CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654      
307-654 A FRDMWYXCDS3  2295 SILVER STAR TEL CO INC 654      

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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