Mail & Shipping Services

  1. Service Details
    Priority Mail Express Shipping Boxes

    Priority Mail Express

    Overnight Guarantee1

    Delivering 7 days a week, Priority Mail Express® is our fastest domestic service for time-sensitive letters, documents, or merchandise. Guaranteed overnight scheduled delivery to most locations2, including PO Boxes, or your money back1. From $25.50 at Post Office™ locations and online.

    Ship Online Learn More about Priority Mail Express
    Priority Mail Shipping Boxes

    Priority Mail

    Shipping in 1–3 Business Days

    Get more for your money with Priority Mail® shipping in 1, 2, or 3 business days3 based on where your package starts and where it’s being sent. A variety of Priority Mail Flat Rate® options eliminate the need to weigh items up to 70 lbs. From $7.35 at Post Office locations and online.

    Ship Online Learn More about Priority Mail
    Picture of First Class Stamps

    First-Class Mail

    Mail in 1–3 Business Days

    First-Class Mail® is an affordable mail service for standard-sized, single-piece envelopes weighing up to 3.5 oz, and large envelopes and small packages weighing up to 13 oz with delivery in 3 business days or less. From $0.55 at a Post Office.

    Buy Stamps Learn More about First-Class Mail

    USPS Retail Ground

    2–8 Business Days4

    Retail Ground® is a reliable and economical way to ship5 less-than-urgent deliveries and oversized packages. From $7.35 at a Post Office.

    Using Retail Ground

    • Good for packages too large for Priority Mail Express and Priority Mail delivery.
    • Includes USPS Tracking®.
    • Only available at USPS Post Offices.

      NOTE: Department of Defense employees overseas may send packages to the U.S. using Retail Ground through Click-N-Ship®.

      Sending Military & Diplomatic Mail

    Rules & Restrictions

    • Available for shipments up to 70 lbs and up to 130 inches in combined length and girth.
    • Large, lightweight packaging is subject to oversize pricing.

    Download USPS Pricing Files
    Prepare Mail & Shipments

    Media Mail

    2–8 Business Days4

    Media Mail® is a cost-effective way to send media and educational materials. This service has restrictions on the type of media that can be sent. From $2.75 at a Post Office.

    Using Media Mail

    What can you send using Media Mail?

    • Books (at least eight pages)
    • Printed music and test materials
    • Video and sound recordings
    • Printed educational charts
    • Medical loose-leaf pages and binders
    • Computer-readable media

      NOTE: Video games, computer drives, and digital drives do not qualify for Media Mail prices.

    Rules & Restrictions

    • Maximum weight is 70 lbs.

    Media Mail Eligibility Standards (DMM 173.4.0)
    Media Mail Prices – Retail
    Media Mail Prices – Commercial


  2. Quick Compare
    Starting Price Ship Time Pricing Options Where to Pay Postage Insurance USPS Tracking® Signature Confirmation™ Return Receipt Collect on Delivery
    $25.50 (retail & online)
    $22.68 (commercial)1
    Overnight Guaranteed2 Flat Rate
    Variable Price
    At Retail
    $100 included3 Included Available4 Available5 Available
    $7.35 (retail & online)
    $6.95 (commercial)1
    1-3 days6 Flat Rate
    Variable Rate
    Regional Rate
    At Retail
    $50 included7 Included Available Available Available
    $0.55 (at retail)
    $0.383 (commercial)1
    1-3 days Variable Price At Retail Available Included
    (Packages only)
    (parcels only)
    Available8 Available
    (at retail)
    2-8 days Variable Price At Retail Available Included Available Available Available
    $2.75 (at retail)
    $1.97 (commercial)1
    2-8 days Variable Price At Retail Available Included Available
    (parcels only)
    Available9 Available

    Additional Insurance & Extra Services

    Learn More