If you need assistance with the USPS FAST system, you can submit your issue via email to FAST@usps.com. Or, depending on the date, you can call one of the two numbers below:
- Prior to August 30, 2010 – call 1-800-522-9085
- After August 30, 2010 – call 1-877-569-6614
** If you are having any problems with your Customer/Supplier Agreements (CSAs) – you must log these issues with the FAST Help Desk via one of the methods listed above. **
Director, Postal Industry Practice
Window Book, Inc.
Phone: (617) 395-4569