The USPS announced a temporary rate increase starting April 26, 2026 thru Jan. 17, 2027, for retail and commercial domestic competitive products: Priority Mail Express, Priority Mail, USPS Ground Advantage, and Parcel Select Products. Review the USPS Industry Alert found here:
https://postalpro.usps.com/node/15035
Starting with the MailStream Plus April USPS Reference files, these will contain the price/rate increase. In your MailStream Plus job, you will not have to make any parameter changes to see these new rates.
No other USPS products or services will be affected, including First-Class Stamps.
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Mary Burkett
Senior Support Engineer
*Precisely Software Inc.
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