Microblogging & RSS feeds: Widsets, Twitter, Jaiku, Pownce
Multimedia files exchange: Cellfish, Combots
Networking: Twango, Radar -
Address book online management: Mobyko -
SMS management: Fortumo -
Voice to text: Jott, Spin Vox, Got Voice, Egorcast -
Create your our own services: Zong -
Free phone calls: Jaxtr -
Photos: Radar -
One single number: Grand Central
Email: Gmail
Map GPS: Google Mobile Maps

Free phone numbers service to find in a reverse method connected addresses and locations.