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Mailing and Shipping Solutions Center (MSSC) to Merge With the PostalOne! Helpdesk

June 22, 2021

Mailing and Shipping Solutions Center (MSSC) to Merge With the PostalOne! Helpdesk

Effective July 1, 2021, the external PostalOne! Helpdesk will merge into the Mailing & Shipping Solutions Center (MSSC). Customers will need to contact the MSSC with any PostalOne! issues. The current PostalOne! help desk number of 1-800-522-9085 will automatically forward to the MSSC @ 1-877-672-0007. In the Interactive Voice Response (IVR), customers will select option 2 (MSSC) and then option 3 (PostalOne!) for assistance.

The current email address PostalOne@usps.gov will remain active and be routed to the MSSC.

Previously, external customers would contact PostalOne! concerning Mail.dat/.xml issues, BCG resets, and technical issues within the PostalOne! program. Effective July 1, 2021, these issues should be directed to the MSSC.

Mailers experiencing an issue/outage with their system during normal business hours must contact the MSSC via phone or email to receive a ticket. Mailers experiencing an issue/outage with their system outside of normal business hours must contact the Mailing Shipping Solution Center via email at MSSCAdmin@usps.gov to initiate a ticket. It is important to note that this only applies when a mailer experiences an issue with their system. Mailers do not have to contact the Mailing Shipping Solution Center during a USPS issue/outage.

Mailing and Shipping Solutions Center Contact Information during normal business hours:


*Note:
 The MSSC hours of operation are from Monday-Friday 7AM-7PM CST. Customers must provide either a ticket number or a copy of the email sent to MSSCAdmin@usps.gov to the BMEU when presenting mail, which will allow mailers to continue to present mail under the USPS PostalOne! Contingency Plan.

The PostalOne!® Contingency Plan is available on the PostalPro website at:  https://postalpro.usps.com/node/852

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