What is vanguard customer service phone number? Vanguard Contact Customer Service Phone Number. Phone Number of Vanguard Contact is +1(877)-662-7447, +1(800)-997-2798 . The Vanguard Group, commonly known as Vanguard, is a United States' based company that is engaged in providing investment management services.How do i change the phone number? Using Sprint Check all of your voicemails and texts. Open the Sprint website. Click My Sprint. Click My Preferences. Click Change phone number. Select a phone. Select a reason for changing your number. Click Next. Confirm the number change. Turn off your phone, then turn it back on. Pay for the change.What is vanguard fax number? Vanguard Technology Inc. 29495 Airport Road. Eugene OR 97402. Phone: (541) 461-6020. Fax: (541) 461-6023. Toll Free: 1.800.624.4809.Can i change the phone number? You can change your cell phone number on the myAT&T section of the company's website or by calling customer service at 611 from your mobile phone or 1-800-331-0500 from any phone. On the website, select "Mobile Number Change" and log into your account.
Here's what you'll need to register for online access: Your Social Security number or employer identification number. One of your account numbers or your plan number, which can be found on your most recent Vanguard statement. If you're unable to find your plan number or account number, or need assistance, contact us. If you previously signed up
Once they control my phone number, they can more easily hack my Vanguard account. I'd be fine using something like Google Authenticator for two-factor authentication, but having codes sent to my phone has me worried. Should I be? Edit: Some more info. I'm remembering this nightmare post on r/personalfinance from about six months ago. Also, on