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PostalOne Help Desk

Posted: Tue Oct 19, 2010 10:42 am
by Kristen
If you are experiencing issues with PostalOne! or submitting Mail.dat files to the USPS using the batch mode, please use the contact information below:

Mail.dat and User Access – Customers that experience issues using Mail.dat to send files to USPS using the batch mode need to contact the desk at 1-800-522-9085 to verify their username and password.

PostalOne! Assistance – Please call the PostalOne! help desk at 1-800-522-9085 if you have any questions, problems accessing your accounts, or problems submitting electronic documentation.