Priority Mail

1-3 Business Days1 & Flat Rate Pricing2

Priority Mail® service includes tracking and delivery in 1-3 business days1. 检查交货时间估计在 优先邮件派递图. 优先邮件统一收费® products let you ship packages up to 70 lbs to any state at the same price. 从邮局寄来的船 地点或在线从你的家或公司. Prices start at $9.25在邮局. (Ship online with 增强Click-N-Ship® service 并获得更低的商业利率. Businesses can get additional savings by opting in to the Business Rate Card .)

Ship Now with Priority Mail 特快专递® Next Day

Features & Pricing

  • 快速交货时间:1-3个工作日1
  • Free Package Pickup3 在家里或办公室提供十大网堵平台
  • 包括USPS跟踪®4 还有高达100美元的保险5 大多数货物6 (限制)
  • No surcharges for fuel; residential or rural delivery; or Saturday7 delivery
  • Flat Rate and prepaid pricing (retail only) available
  • 预付永久优先邮件统一费率. Except for 优先邮件统一收费 packaging, Priority Mail prices are based on weight and zone. 与预付永远优先邮件统一费率, you get the same Flat Rate pricing with the added convenience of Forever® postage.
  • USPS Label Delivery service: Even if you don't have a printer, you can still ship online using 增强Click-N-Ship—for an extra $1.25 per label, we'll print an outbound label and deliver it to you. (Businesses can also request return labels for their customers.)

Weight, Size, & Shape Requirements

Use USPS 优先邮件统一收费 packaging and pay one price:

  • Pay the same price for mailpieces weighing up to 70 lbs going anywhere in the U.S.
  • Use our 优先邮件统一收费信封或盒子 that come in standard sizes so you don't have to worry about measuring them.
  • 封印统一收费信封或盒子时, the container flaps must be able to close within the normal folds.

Use your own box and pay by weight and zone (distance):

  • Pay for your package based on how much it weighs and how far it’s going (the zone). 最大重量是70磅.
  • You’ll need to measure your package to make sure it meets the size standards.
  • Maximum combined length and girth (girth is the distance around the thickest part) is 108 inches. 测量包裹的技巧
  • Additional Fees:
    • Dimensional (DIM) weight rates apply to large, lightweight packages. If your package is larger than 1 cubic foot (1,728 cubic inches):
      1. Multiply Length x Width x Height and divide by 166 to get the DIM weight in pounds.
      2. If the DIM weight is greater than the actual package weight, you’ll need to pay the DIM weight price.
    • If you give inaccurate dimensions and/or don’t pay the DIM weight rate (when it applies), 你将支付不符合尺寸的费用.
    • Nonstandard Fee: You’ll pay an extra fee for sending a nonstandard size if your package measures:
      • 长度在22到30英寸之间:加4美元.00
      • 长度超过30英寸:加收18美元.00
      • 超过2立方英尺(3,456立方英寸):加30美元.00

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


Expand All

邮件限制 & Prohibitions

There are specific regulations and standards for mailing restricted, prohibited, 有害物质, 包括香烟和无烟烟草.

国内限制 & Prohibited Items

Learn more about what items you may and may not mail within the U.S.

国内航运禁令 & Restrictions


You'll pay domestic prices for packages shipped to a Military Post Office (APO/FPO/DPO), but these destinations require a customs form and have specific restrictions.

Military & Diplomatic Mail

Learn more about how to send mail and packages to loved ones overseas.


For Businesses

USPS understands what's most important to our business customers: speed, affordability, security, 以及客户十大网堵平台. We help businesses provide these services and resources to your customers at discounted rates.

商务寄件人须知: As of January 21, 2024, mailers using Priority Mail and Priority Mail Return® services must comply with new rules on the accuracy of the Intelligent Mail® 包装条形码®)贴在邮资标签上. 目前有一个宽限期, but starting June 1, 2024, 如果未达到条码质量阈值, 你需要支付0美元.每个标签25美元的不合规费. 要了解更多信息,请参阅 PostalPro Industry Alert.

Commercial Pricing

Get discounted rates on business shipping with a couple of options:

  • Use 增强Click-N-Ship® service 以获得更低的商业利率.
  • A Negotiated Service Agreement (NSA) is available for larger volume shippers who meet the minimum volume requirements.


您可以使用优先邮件返回十大网堵平台作为快速, convenient option for customers who need to send items back. 出境和退货都包括100美元的保险.

USPS Label Delivery

Save on label printing costs; we can print and deliver the label to you for a $1.25 fee (per label). You can also request return labels for your customers. 可通过增强 Click-N-Ship十大网堵平台 and USPS Web Tools® APIs.

Priority Mail Open & Distribute

Expedite the transportation of your bulk mailings with Priority Mail Open & Distribute® (PMOD). Customers using PMOD services ship their items in an approved USPS container to an authorized location where USPS opens the container before delivering the contents to their final destinations.

  • Prices are commercial rates based on weight and zone to quickly move your mailings at a reasonable cost.
  • Mailings include a special barcoded label, so you can easily track your shipments.

Priority Mail Open & Distribute

Helpful Links


Bonus: 如果你在网上发货 增强的点击-发送十大网堵平台,你可以用更低的商业利率节省. Businesses can get additional savings by opting in to the Business Rate Card. Expand All

Free Supplies8 Shipping Price Dimensions Great For…
Flat Rate Envelope

$8.50 Commercial Pricing

$9.85 at Post Office

12 1/2″ x 9 1/2″

Passports & 护照申请




$8.50 Commercial Pricing

$9.85 at Post Office

10″ x 5″

12 1/2″ x 9 1/2″



$8.50 Commercial Pricing

$9.85 at Post Office

10″ x 6″

Small Documents


Gift Cards


$9.30 Commercial Pricing

$10.60 at Post Office

12 1/2″ x 9 1/2″



Boxed Jewelry


$8.80 Commercial Pricing

$10.15 at Post Office

15″ x 9 1/2″

Legal Documents

Small Flat Rate Box

$9.05 Commercial Pricing

$10.40 at Post Office

Outside: 8 11/16″ x 5 7/16″ x 1 3/4″

Inside: 8 5/8″ x 5 3/8″ x 1 5/8″


Small Electronics

中定额箱- 1个(顶装)

$16.00 Commercial Pricing

$18.40 at Post Office

Outside: 11 1/4″ x 8 3/4″ x 6″

Inside: 11″ x 8 1/2″ x 5 1/2″

Office Supplies


中等统一收费箱- 2个(侧装)

$16.00 Commercial Pricing

$18.40 at Post Office

Outside: 14″ x 12″ x 3 1/2″

Inside: 13 5/8″ x 11 7/8″ x 3 3/8″

Office Supplies



$21.85 Commercial Pricing

$24.75 at Post Office

Outside: 12 1/4″ x 12 1/4″ x 6″

Inside: 12″ x 12″ x 5 1/2″






$20.15 Commercial Pricing

$23.00 at Post Office

Outside: 12 1/4″ x 12 1/4″ x 6″

Inside: 12″ x 12″ x 5 1/2″



$21.85 Commercial Pricing

$24.75 at Post Office

Outside: 24 1/16″ x 11 7/8″ x 3 1/8″

Inside: 23 11/16″ x 11 3/4″ x 3″

Board Games

预付永久优先邮件统一费率® Packaging

From $9.85 at Post Office


Various Options

1. In most cases, the expected delivery date printed on your receipt or provided at checkout will reflect a delivery time of 1, 2, 或3个工作日,并以原产地为基础, destination, and drop-off time. The expected delivery date does not come with a money-back guarantee. Back ^ 1 .法律免责声明
2. 可邮寄物品达70磅. Back ^ 法律免责声明2
3. 有关免费取件的详情,请浏览网页 Schedule a Pickup. Back ^ 3 .法律免责声明
4. Excludes 预付永久优先邮件统一费率 products. Back ^ 法律免责声明
5. Available only for certain products and to certain destinations. 限制和排除适用. 保险不包括某些项目. 详情请浏览609.4.3 (Non-payable Claims), 609 (Filing Indemnity Claims for Loss or Damage), and 503.4 .(投保邮件 国内邮件手册. Back ^ 致法律免责声明
6. 有资格获得包括在内的保险, Priority Mail domestic shipments must have the applicable USPS Tracking barcode. Insurance is not included for Priority Mail shipments sent using Priority Mail Open & Distribute, Premium Forwarding Service-Residential or Premium Forwarding Service-Commercial. For shipments valued at more than $100, additional insurance may be available for purchase. When additional insurance is purchased, it replaces the included insurance. Back ^ 法律免责声明
7. If Saturday is a national holiday, 特快专递 service may be available for an added fee. Back ^ 法律免责声明
8. Boxes and envelopes are delivered with your regular mail usually within 7 to 10 business days. Back ^ 致法律免责声明