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Mail & Shipping Services

时间:2025-07-28 08:30来源: 作者:admin 点击: 5 次
Compare USPS shipping options like Priority Mail Express, Priority Mail, First-Class Mail, and USPS Ground Advantage to find the service that

Domestic mail and shipping service product boxes sitting on a table.

Mail & Shipping Services

USPS has express and standard mail services to fit your needs. Depending on what items you're sending (and when you want them delivered), choose based on:

Fastest delivery speed

Most affordable price

Shipping online vs. at a Post Office™ location

Domestic mail and shipping service product boxes sitting on a table.

Compare Mail Services

Compare USPS mail services by starting retail prices, delivery speed, and more. Most services automatically include USPS Tracking® (except First-Class Mail® service), and you can add insurance and extra services.

Save on Shipping: If you're using Priority Mail Express®, Priority Mail®, or USPS Ground Advantage® service, you can ship online with Click-N-Ship® and get lower Commercial Rates. Businesses can get additional savings by opting in to the .

 

Description

Price

Delivery Speed

Max Weight

Tracking

Insurance

Fastest Delivery Speed

Fast air delivery for your most important mail and packages (with some Flat Rate options).

Priority Mail Express®

You're sending something urgent that must arrive in 1-3 days. You need date-certain delivery with money-back guarantee.

From $31.40

1-3 days

70 lbs

Included

Up to $100 insurance included; you can buy additional insurance coverage up to $5,000

Ship Now

Priority Mail®

You're sending important items that need to arrive in 2-3 business days.

Flat Rate Envelope: From $11.00

USPS Mailing Box (Flat Rate): From $11.70

Your Own Box By Weight/Zone: From $10.05

2-3 business days

70 lbs

Included

Up to $100 insurance included; you can buy additional insurance coverage up to $5,000.

Ship Now

Simple, Affordable, Reliable

Save money shipping packages by ground.

USPS Ground Advantage®

Low rates for packages with expected delivery in 2-5 business days (also the primary option for HAZMAT items that can't travel by air).

From $6.80

2–5 business days

70 lbs

Included

Up to $100 insurance included; you can buy additional insurance coverage up to $5,000.

Ship Now

Postcards & Envelopes

Mail, like postcards, letters in small envelopes (up to 3.5 oz), and large envelopes (up to 13 oz).

First-Class Mail®

You're sending a letter envelope (under 3.5 oz) or large envelope (under 13 oz) that's flat and bends easily.

From $0.61 (postcards)

From $0.78 (letters)

From $1.63 (large envelopes)

1-5 Business Days

Letters: 3.5 oz

Large Envelopes: 13 oz

No. (Delivery confirmation available if you add a service such as Certified Mail)

No for letters (unless you buy certain other add-on services.)

Buy Now

Image of Priority Mail Express Boxes

Priority Mail Express 1-3 Day Guarantee by 6 PM

Our fastest domestic shipping service, Priority Mail Express® delivers 7 days a week, 365 days a year (with limited exceptions). 1-3 day delivery is available to most U.S. addresses and PO Box™ addresses with a money-back guarantee. With our free Flat Rate Envelopes, you don't need to weigh shipments 70 lbs and under. Purchase Priority Mail Express postage and shipping labels at a Post Office™ location or online. Prices start at $31.40 at a Post Office. (Ship online with Click-N-Ship and get lower Commercial Rates.)

Ship Online with Priority Mail Express . Learn More about Priority Mail Express

Image of Priority Mail Express Boxes

Image of Priority Mail supplies.

Priority Mail Shipping in 2–3 Business Days

Priority Mail® is our bestselling mail service. Domestic deliveries arrive in 2-3 business days depending on where your package starts and where it's going. Tracking and insurance are included, shipping boxes and envelopes are free, and with Priority Mail Flat Rate®, you don't need to weigh shipments 70 lbs and under. Purchase Priority Mail postage and shipping labels at a Post Office or online. Prices start at $10.05 at a Post Office. (Ship online with Click-N-Ship and get lower Commercial Rates. Businesses can get additional savings by opting in to the .)

Ship Online with Priority Mail. Learn More about Priority Mail

Image of Priority Mail supplies.

Image of USPS Ground Advantage

USPS Ground Advantage Shipping in 2-5 Business Days

USPS Ground Advantage® is an affordable and reliable way to send packages up to 70 lbs inside the U.S. Packages up to 15.999 oz are priced by the ounce, rounded up to 4 oz, 8 oz, 12 oz, and 15.999 oz. Packages heavier than 15.999 oz are charged by the pound (rounded up). Prices start at just $6.80 at a Post Office. (Ship online with Click-N-Ship and get lower Commercial Rates. Businesses can get additional savings by opting in to the .)

Ship Online with USPS Ground Advantage Learn More about USPS Ground Advantage

Image of USPS Ground Advantage

Picture of First-Class Stamps

First-Class Mail Mail in 1–5 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 weighing up to 13 oz. Prices start at $0.78 at a Post Office.

Buy Stamps for First-Class Mail. Learn More about First-Class Mail

Picture of First-Class Stamps

Media Mail Shipping in 2–8 Business Days

Media Mail® is a cost-effective way to send eligible books, media, and educational materials. You can only send certain types of media: If you try to include anything that's not allowed, you (or your recipient) will have to pay higher postage rates. All Media Mail packages are subject to opening and inspection by the Postal Service. Prices start at $4.47 at a Post Office.

Using Media Mail

Here's what you can send:

Books (at least 8 pages)

16-millimeter or narrower width films

Printed music and test materials

Video and sound recordings (including tapes, albums, and CDs/DVDs)

Playscripts and manuscripts

Printed educational reference 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.

Weight, Size, & Shape Requirements

Maximum weight is 70 lbs.

See the full list of requirements and allowed items:

(Note: Library Mail is a related service for eligible organizations, including schools, museums, nonprofits, and other groups.)

Additional Package Fees

Double-check your package measurements and contents: You'll pay additional fees if you're shipping a package that is large and lightweight, has a nonstandard size, shape, or material, or has perishable items. See below for more details.

TIP: Use the USPS Price Calculator tool to calculate your domestic postage costs. You'll need to know your package's weight, shape, and size measurements.

Calculate a Price

How to Send a Package: Domestic

Expand All

Dimensional (DIM) weight rates apply to large, lightweight packages. If your package is larger than 1 cubic foot (1,728 cubic inches):

Multiply Length x Width x Height and divide by 166 to get the DIM weight in pounds.

If the DIM weight is greater than the actual package weight, you'll need to pay the DIM weight price.

If you omit or give inaccurate dimensions and/or don't pay the DIM weight rate (when it applies), you'll pay a dimension-noncompliance fee.

You'll pay extra fees for sending nonstandard packages that are harder for USPS to process. Fees vary based on the length, volume, or characteristics:

Nonstandard Length
If your package is between 22 and 30 inches long:

USPS Ground Advantage: add $4.00

Priority Mail Express or Priority Mail: add $4.00

If your package is more than 30 inches long:

USPS Ground Advantage: add $8.40

Priority Mail Express or Priority Mail: add $18.00

Nonstandard Characteristics
If your USPS Ground Advantage, Priority Mail Express, or Priority Mail package meets any of the following characteristics, add $4.00:

Cylindrical tube or roll

Can, or wooden or metal box

Contains more than 24 ounces of liquid in glass containers, or 1 gallon or more of liquid in metal or plastic containers

Other mailable items (including polybags) with contents that may shift, or cause the parcel to roll or not maintain the packaging’s integrity during processing

Nonstandard Volume*
If your package is more than 2 cubic feet (3,456 cubic inches):

USPS Ground Advantage: add $18.00

Priority Mail Express or Priority Mail: add $30.00

*Note: If your package has both nonstandard characteristics and length (for example, a tube that's longer than 30 inches), you'll only pay the higher nonstandard fee, not both. However, the nonstandard volume fee applies in all cases.

Business Shippers: For Parcel Select® Destination Entry and USPS Connect® Local service, .

If you're sending live animals or other perishable items like food or plants, you’ll need to pay an extra handling fee. The fees vary by shipping service:

For USPS Ground Advantage: add $7.50

For Priority Mail: add $15.00

For Priority Mail Express: add $7.50

Learn more about sending perishable items.

1. For many major markets. Average number of days based on origin and destination.
2. Exceptions apply. For details, visit the Domestic Mail Manual.
3. Insurance coverage is provided against loss, damage, or missing contents and is limited to a maximum liability of $100 when then the pieces bear an Intelligent Mail barcode (IMpb) or USPS retail tracking barcode and the mailer pays retail or commercial prices. For more details, see the .
4. In most cases, the expected delivery date printed on your receipt or provided at checkout will reflect a delivery time of 2-3 days based on origin, destination, and Post Office™ acceptance time. The expected delivery date does not come with a money-back guarantee.
5. For mailable items up to 70 lbs. Expected delivery in 2–5 business days. Packages going to certain places (including Alaska, Hawaii, and offshore destinations), or containing hazardous materials or live animals may receive slower service.
6. The timeliness of service to or from destinations outside the contiguous U.S. may be affected by the limited availability of transportation.

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