Websimply use your 8 digit account pin or answer your security question. (both are used when calling customer service or making changes in store). Experience the new mobile version of my account. When you call, be ready to provide your account information, such as the phone number. Webaug 4, 2015 · metropcs bill payment options include online, by phone, in person or by mail. Customers may pay online for free and without setting up an account, but some phone. Webhow do i pay my metro phone bill?