I have created a "contact us" using a php script. When I clicked on support, it comes back with "page can not be display". I have uploaded the contact.php file to the www folder already.
Welcome to the forum and thank you for the post,
Comcast's webhosting packages do support PHP, except with the "Starter" package.
Here is the detail list of Comcast webhosting packages - Link
Please check your current webhosting package by:
1. Log into business portal with your primary UID account.
2. Click on "Upgrade your Web hosting" link
3. Check your current package status