ATandT/Cingular Wireless Complaint - Late payment charges
CALIFORNIA -- Though AtandT/Cingular will not state it plainly on thier bills (which I feel is cause for a class action suit) the unstated payment due date is 20 days after the date of invoice not the date of receipt. You must call to find out this information. They do not state the date at which you will incur late charges on the bill.
Example. If your date of invoice is November 21st then your payment is due before Dec 11th.