Text2Party is a service which lets you know the ongoing parties, concerts near to your place by just text messaging PARTY<code> to 88089. Text2Party provides you free VIP access to clubs, free drink passes, free/discount bottle service, VIP guest lists, exclusive events and party listings along with directions and parking. It provides all these stuff from your cell phone. Just text them and receive whats happening & where along with special offers.
Each text message sent is charged @ .99 cents. Also there is a option for VIP monthly subscription if you are a frequent party-goer. which costs $9.99 per month. Currently this service is available in Miami, Ft.Lauderdale, NEW YORK, LAS VEGAS, Los Angeles, Atlanta, Chicago, Washington & Texas.
For Miami its 305 & For Ft.Lauderdale its 954. Get in touch with them if you want the code of your city. They have mentioned only two codes over their site.
I also recommend going through their FAQ.
I would love to have such a service here in India but then I can see how much time it can take for such a service to run successfully. Have your say in the comments.