Price Change Period and Files
The price change is effective from October 4, 2026, through January 17, 2027. Revised prices and SKU price files were finalized and published in August and September 2026.
Official price files are available in Excel and CSV formats, along with change logs and Notice 123 documents detailing the updates.
Prohibited Items Reminder
The Postal Service reminds customers that metallic mercury and devices containing metallic mercury are always prohibited in the mail stream. This includes antique items such as thermometers, barometers, and blood pressure monitors.
Official references
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Prepared automatically from official sources with citation checks and an automated factual review. Announcements can be revised. Check the source and your agreement for the rules that apply to your shipment.