New USPS Rates Go Live October 4, 2026

Citing increased fuel & transportation costs, USPS is raising rates across most services starting October 4.

The good news: Stampnik continues to offer discounted Priority, Express, and Ground Advantage rates, helping you keep shipping costs down.

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Buy labels in bulk
For CSV formatting, download a sample CSV file or Export CSV from a prior order. More bulk order FAQs

Step 1
Select 'From' Address, Service, and Package
Step 2
Upload CSV with 'To' Addresses
Step 3
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Packages contain a Lithium battery

USPS Service Priority Express Ground Advantage NEW Media Mail

I have read and agree to Stampnik’s Terms of Service, Refund Policy, and Privacy Policy. I also agree that my package is rectangular and I'm not shipping anything live, liquid, perishable, hazardous, pressurized, illegal or otherwise in violation of USPS restrictions

Package Flat-rate My Own Packaging

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Flat-rate packages require Priority or Express service.

Flat-rate Weight Limit

box - 70 pounds | envelope - 4 pounds

Upload your CSV file

For example formatting, please download our sample CSV file.
Note: Only US addresses are currently supported.

Add All Validated Labels to Cart We found these addresses

Name	Address	Note		Price

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