I'm unable to load Xfinity account pages on multiple browsers including Firefox and Safari. Either the page loads as a blank screen (Firefox) or continues to retry loading in a continuous cycle w. Am I required to change my Comcast.net email account to a Yahoo!.com account? I have gotten two emails that look like SPAM, but I can't afford to [Edited: Language ] up my email account so I need to be sure. I've had this issue for a long time now, but you'd think being an Xfinity mobile customer would have solved the problem! I can't get verification codes sent to my phone. The ones sent to email addr. We would like to show you a description here but the site won’t allow us. Get help, share knowledge, and find solutions for Xfinity customer service issues in this community forum. Your mobile number should be listed under your account information. You may also find your phone number listed under the 'Voice' tab if you are using the Xfinity My Account app. The Xfinity ID you entered was incorrect This started happening the other day when I was trying to log in on my mobile device using my main account it will not log me in. Now I'm trying to login on my computer and it's telling me the same thing. Laurie The account page, billing page, and anything else on customer.xfinity.com will not load due to a security issue. The latest versions of these browsers check certificates of sites and block sites that have issues with their security certificates and settings. I would use a debit/CC number, autopay will allow a discount with Comcast but if there's a breach its easier to recoup from a debit/CC situation than the account-routing number scenario. I literally had bank personnel tell never give up your account info its harder to track and much harder to recoup in a fraud situation. Reply reply. My concern is if comcast attempts to take more than I have in the account. Banks run these through several times resulting in heavy bank fees. You have no protection against that. I assume that the problem with credit cards is you DO have fail-safes, rights, and can dispute wrong charges. Which kind of conflicts with comcast's preferred strategy of dominating monopoly, harvest the money, and.