Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages.

Have questions about USPS products and services? Let us help. Call us at one of the numbers provided or send us an email.

您可以要求将包裹留给邻居，或留在 Post Office™ 邮局以备取件。 如您需将您的包裹邮寄至另一个国内地址，将收取额外邮资费用。 您还可以更改寄件服务选项，升级到 Priority Mail Express ® 服务，或 Priority Mail® ® 服务，以及添加保险和额外服务。

Use Click-N-Ship to ship packages from your home or office. Learn about discounts when using enhanced Click-N-Ship service; order free boxes; print USPS Ground Advantage, Priority Mail, and Priority Mail Express postage and shipping labels; and schedule free package pickup.

USPS has services for shipping to international destinations like Canada, Mexico, and overseas with international tracking. Plus, use Click-N-Ship to print international postage and customs forms.

USPS 有适合您需求的国际投递服务。选择依据： 寄送速度及邮资价格; 统一邮资运送或包含追踪和保险等功能; 某些额外服务可在线获得，但其他服务仅可在Post Office ™ 邮局地点获得。

Priority Mail Express ® 、Priority Mail ® 和 USPS Ground Advantage ® 商品免费转寄。 Media Mail ® 物品是转发的，但您必须支付从当地 Post Office ™ 邮局地点运到您的新地址的运费。 USPS 营销邮件 是不转发的。 您的地址变更订单只会更改您在 Post Office（邮局）的邮寄地址。 …

将箱子带到 Post Office ® （邮局）大厅进行投递。 重要提示： 如果您的信封有邮资邮票，并且重量超过 10 盎司或厚于 1/2 英寸，您不能把它放在 Collection Box (收件邮箱)里；您必须将其交给 Post Office 邮局所在的的员工。

Send mail and packages with USPS online shipping options. Choose your mail service by delivery speed, cost, and additional services like tracking and insurance.

First-Class Mail International is a fast, low-cost way to ship lightweight packages and letters internationally. USPS sends mail to over 180 countries, including Canada and Australia. See delivery times and how much postage or how many Global Forever stamps you …