<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=US-ASCII" http-equiv=Content-Type> <META name=GENERATOR content="MSHTML 8.00.6001.18904"></HEAD> <BODY style="FONT-FAMILY: Arial; COLOR: #000000; FONT-SIZE: 10pt" id=role_body bottomMargin=7 leftMargin=7 rightMargin=7 topMargin=7><FONT id=role_document color=#000000 size=2 face=Arial> <DIV>Well, I might as well jump in, too. I use Verizon and have always had excellent service at Old Faithful, Canyon, Mammoth. Sometimes (not always) I have service at Norris, and one time I actually received a call while driving through Firehole Canyon (near the exit to Firehole Canyon Drive).</DIV> <DIV> </DIV> <DIV>Scott Bryan</DIV> <DIV> </DIV> <DIV> <DIV>In a message dated 5/4/2010 8:10:57 P.M. US Mountain Standard Time, riozafiro@gmail.com writes:</DIV> <BLOCKQUOTE style="BORDER-LEFT: blue 2px solid; PADDING-LEFT: 5px; MARGIN-LEFT: 5px"><FONT style="BACKGROUND-COLOR: transparent" color=#000000 size=2 face=Arial>I have Tracfone, it works in the Old Faithful area, around 7-Mile Bridge and in West Yellowstone to about 14 miles west, just past Hebgen Lake. Then I do not get service again until I am almost to I-90 outside of Butte. Haven't tried it in Mammoth. It is a pay-as-you-go service so you can buy just what you think you will need for the trip, but it does not give me reception throughout the Park. </FONT></BLOCKQUOTE></DIV></FONT></BODY></HTML>