Comcast subscribers can pay bills online by navigating to xfinity.comcast.net and clicking the My Account tab at the top of the page. After signing in, select the Billing & Payments tab to access your most recent billing statement. The Pay Now button lets you choose a payment amount.How late can you Pay Your Xfinity Bill?
When your statement balance becomes 10 days past due, you will be able to receive inbound calls, but you won't be able to send or receive texts or make outbound calls. If you try, your call will be automatically routed to an Xfinity Mobile specialist. When your statement balance hits 40 days past due, your account will be suspended.