To reach pages restricted to members, you must enter your certificate
number and PIN.
Remember these values?
If you are having problems, go to the security information pages.
If you are having trouble with the certificate number, "Clear Form" and try again. Hint, Leading Zeros should be included. A regular certificate number must be 7 characters.
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Contact the USPS hotline at 1-888-FOR-USPS.
Go directly to: the USPS