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Postage Options | USPS
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Priority Mail | USPS
Postage Options | USPS
Policies, Procedures, and Forms Updates
Someone just sent me USPS First-Class Mail labeled up to 15.9 oz, in a Priority Mail box that's actually 4 lbs Bruhhhhh : r/USPS
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Stamps.com - USPS First Class Mail, First Class Postage
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Mail & Shipping Services | USPS
