Twitter was started in San Francisco, California and they are still headquartered there. Twitter's corporate office address is below:
Twitter Official Address
795 Folsom St #600
San Francisco, California 94107 USA
Corporate Phone Number: 1-866-924-2008
Fax Number: n/a
Twitter is a social networking site that allows users to express themselves in 140 characters per post. The site allows you to follow interesting people and let's other follow your posts. Customer Service Numbers posts the phone number for Twitter and allows you to rate your customer experience with Twitter.