Yes, one Twilio user login may have access to multiple Twilio accounts. Here are the steps for switching between multiple account:
- Login to your account at www.twilio.com/console.
- Click the user login drop-down menu in the upper left corner.
- Select the desired Twilio Account from the list. If its is not listed here, click View All Accounts or the Twilio logo to see a list of each Twilio account your user account has access to.