Texted, replied telling them the number will be reported to my state's attorney general and NEVER text me again.

website listed. http://bit.ly/KM3HjH... not sure if valid but not trying... text message said won a $1000 Best Buy card for contest entered last month.. entered no contest.

got the same text. its a scam.

Your entry last month has WON! Goto http://bit.ly/KJM9Xb and enter your Winning Cide: "1122" to claim your FREE $1,000 Best Buy Giftcard!

Same 'Best Buy/Walmart' gift card sms scammers:

"Your entry last month has WON! Goto (bit.ly short link) and enter your Winning Code: "1122" to claim your FREE $1,000 Best Buy Giftcard!"
From: 19803294396.

Reported as spam to AT&T mobile. I received another from 14123571104.

bit.ly short link redirects to uwntths.biz IP: 173.239.26.21
That IP block is listed in Spamhaus:
http://www.spamhaus.org/sbl/listings/webair.com
http://www.spamhaus.org/sbl/query/SBL140350

Administrative Contact, Technical Contact:
    Christopher, Michael        moduke96@aol.com
    WEBAIR INTERNET DEVELOPMENT, INC.
    501 Franklin Ave
    Suite 200
    Franklin, NY 11530
    US
    516.938.4100 fax: 516.938.5100
Caller: webair.com
Call Type: SMS