Loading DeliverInga…

USPS Reviews

The United States Postal Service (USPS) is an independent agency of the US federal government, delivering to over 163 million addresses nationwide. They offer Priority Mail, Priority Mail Express, First-Class, and Media Mail services.

• Category: Package Delivery
• Headquarters: Washington, D.C., USA
• Founded: 1775
• CEO: Louis DeJoy (Postmaster General)
• Employees: 640,000+
• Website: usps.com

Frequently asked questions about USPS

How fast is USPS Priority Mail?

USPS Priority Mail typically delivers in 1-3 business days depending on distance. Priority Mail Express guarantees overnight delivery to most addresses.

Does USPS deliver on Sundays?

USPS delivers Amazon packages and Priority Mail Express on Sundays. Regular mail and Priority Mail are not delivered on Sundays.

How much does USPS flat rate cost?

USPS Priority Mail flat rate boxes start at $10.40 for small boxes. Medium flat rate is $17.10 and large flat rate is $22.45 (2026 prices). You can ship any weight that fits in the box.