If you mail in your ballot during election season or send your taxes through USPS, this postmark change may apply to you.
A four-ounce package sent via USPS Ground Advantage will rise 21% from $4.20 to $5.09 starting January 18, 2026, part of ...
The USPS said a postmark reflects the date an envelope is first processed by an automated USPS sorting machine — not the ...
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