USPS makes more changes to cut costs, improve service in 2026. Know how postmarks work to avoid late fees on bills, taxes.
According to the USPS, the changes will take effect on Jan. 18, 2026. Priority Mail Service prices will increase by around ...
A four-ounce package sent via USPS Ground Advantage will rise 21% from $4.20 to $5.09 starting January 18, 2026, part of ...
USPS stamp prices stay flat, but shipping costs rise in 2026. See how much more you’ll pay for Priority Mail and other services.
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