Celebrating 60 Years of the PCC

Mailing & 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:

·     Phone: (877) 672-0007

·     Email: MSSC@usps.gov

·     Email: PostalOne@usps.gov

*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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