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: 828

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-828 A Kemmerer WY KMMRWYMARS1  9636 QWEST CORPORATION 654      
307-828 0 Kemmerer WY   450F ONVOY, LLC - WY 654   2012-12-17   
307-828 1 Kemmerer WY   081F BANDWIDTH.COM CLEC, LLC - WY 654   2008-11-29   
307-828 2 Kemmerer WY   9636 QWEST CORPORATION 654      
307-828 3 Kemmerer WY   9636 QWEST CORPORATION 654      
307-828 4 Kemmerer WY   9636 QWEST CORPORATION 654      
307-828 5 Kemmerer WY   450F ONVOY, LLC - WY 654   2012-03-12   
307-828 6 Kemmerer WY   9636 QWEST CORPORATION 654      
307-828 7 Kemmerer WY   450F ONVOY, LLC - WY 654   2007-03-09   
307-828 8 Kemmerer WY   340D GOLD STAR COMMUNICATIONS, LLC 654   2012-07-06   
307-828 9 Kemmerer WY   9636 QWEST CORPORATION 654      

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

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