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New USPS rates will apply to all shipments sent on or after January 18, 2026. The rate adjustments apply to: Packages Priority Mail Priority Mail Flat Rate Mailers(Note: First-Class Mail Flats are not affected.) For full details, please visit: https://pe.usps.com/PriceChange
The rate adjustments apply to:
For full details, please visit: https://pe.usps.com/PriceChange
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