I have received many calls from this number and they never leave a message.

This is the sales department at Trulia, calling in regard to buying advertising on their website. They left a message and sounded very pleasant. They have my number because I'm a registered user on Trulia.

I will never buy Trulia  advertising because of the arrogant sales people who call your cell phone and hang up if tell them they need to contact through e-mail. Real bad business.

I wasn't on Trulia 5 minutes when this call came in. No message. Just a hang up. Opt out.