Mail Class Selector

Answer three quick questions and get the right, cheapest USPS service.

What are you sending?

Weight (lb, use 0.2 for a letter)

How fast?

Need proof of delivery / legal proof?

Accuracy note: Recommendations use published service features and retail starting prices. Based on USPS retail prices, January 18, 2026 rates (checked August 2026).

Postal Guidance is an independent resource. We are not affiliated with, endorsed by, or acting on behalf of USPS, FedEx, UPS, DHL or any other carrier. All carrier names and trademarks are the property of their respective owners. Contact details we publish are sourced from official carrier websites — always verify them there before sharing personal or payment information.