pay different account number

Hello, jhdge! Thank you for reaching out to us here for help with bill payment methods. If you have multiple account linking them will allow you to make a payment on either. If you're trying to make a payment on someone else's account you can go to the Xfinity Bill Pay page and select the unauthenticated guest or quick-pay option. Enter the account number or service address and ZIP code associated with the account, then provide your own payment card or bank details. Included below are a few helpful articles with more informaioton that will help.

Manage multiple accounts with your Xfinity ID
How to pay your Xfinity bill online
One time bill pay options through your Xfinity account