I also got a spam sms from this number:

"Apple is looking for people to Test & Keep the New iPad 3! But only the 1st 1000 users that goto http://theipad3.mobi and enter code BETA will Receive it!"

Whois info for the registrant of theipad3.mobi returns:
Domain Name:THEIPAD3.MOBI
Created On:03-Apr-2012 23:36:10 UTC
Created by Registrar:GoDaddy.com, LLC (146)
Registrant ID:CR109583852
Registrant Name:Jay Rockafeller
Registrant Street1:67 12 st
Registrant City:Manhattan
Registrant State/Province:New York
Registrant Postal Code:10023
Registrant Country:US
Registrant Phone:+1.2125968704
Registrant Email:smitty544@gmail.com

Test and keep the ne 1pod 3