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Why your mail could be delayed in 2026; USPS changed postmark rules
Here's what to know about 2026 Postal Service changes in postmark process, postage stamps and USPS shipping rates ...
To ensure Christmas delivery in the contiguous U.S., ship by Dec. 17 for USPS Ground Advantage and First-Class Mail. The deadline for most international USPS services has already passed, with Priority ...
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