When you mail a letter or send a package, you must follow U.S. and USPS® guidelines. Learn what things you can and can't send in the U.S. mail: Some items are prohibited (completely forbidden). Some are restricted (allowed under certain conditions). Hazardous materials (HAZMAT) might be prohibited or restricted. If you're shipping internationally, see International Shipping Prohibitions & Restrictions.

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326 Shipping Papers · 327 Transportation Requirements · 328 Postal Service Hazardous Materials Table · 329 Presentation of Hazardous-Materials Mailings · 33 Hazard Classes · 331 Nine Classes · 332 Limited Quantity · 333 Consumer Commodity · 334 USPS Limited Quantity Air Materials ·

USPS Publication 52: The USPS standard for mailing potentially hazardous, restricted or perishable matter to domestic and international destinations. USPS Shipping Restrictions: A quick guide for determining which items can be shipped domestically and internationally.

February 20, 2026 - Secure the mail. Deliver justice. Protect us all. For 250 years, we have protected the U.S. Mail and everyone who uses it · World Elder Abuse Awareness Day (WEAAD) is June 15, a time to share information and prevention tips to protect older Americans. While anyone can be a victim of a scam, ...

... The maximum weight for a USPS package is 70 lbs. Also, there are some things that you can’t send at all (prohibited) and other things you can only send under certain conditions (restricted...

May 24, 2023 - If an item is restricted, it means that it can be shipped — but your shipment must meet USPS requirements, in addition to all federal, state and local laws that apply to the restricted item before its deemed acceptable for USPS shipping.

Knives, razors, and other sharp instruments (Some knives, such as "switchblade" knives, are heavily restricted. Some may also be illegal to possess in certain cities and states. Please be certain of the local legal situation before mailing.) Fresh Fruits, fresh vegetables, fresh or frozen meat or fish, and live plants (generally mailable domestically, may be subject to quarantine/refusal depending on state law, check with your local Post Office for current status.) Hand sanitizer - To ship hand sanitizers including wipes, you must use USPS Retail Ground or Parcel Select Lightweight.

Mailing Restrictions · Under 39 U.S.C. 3015(a), any injurious animal, the importation or interstate · shipment of which is prohibited pursuant to 18 U.S.C. 42, constitutes · nonmailable matter. Under 39 U.S.C. 3015(d), any fish, wildlife, or plant, the conveyance of which ·

Restrictions · Use of Alternative Addressing · Detached Address Labels (DAL) and Detached Marketing Labels (DMLs) Move Update Standards · ZIP Code Accuracy Standards · Carrier Route Accuracy Standard · Presort Accuracy Validation and Evaluation (PAVE) Coding Accuracy Support System (CASS) ...

326 Shipping Papers · 327 Transportation Requirements · 328 Postal Service Hazardous Materials Table · 329 Presentation of Hazardous-Materials Mailings · 33 Hazard Classes · 331 Nine Classes · 332 Limited Quantity · 333 Consumer Commodity · 334 USPS Limited Quantity Air Materials ·

March 13, 2026 - These include: ... Certain items prohibited for international shipping include aerosols, alcohol, cigarettes, and fresh produce. Each country has its own import laws and restrictions.

1 week ago - How to find information on suspensions and limitations of mailing and shipping services. This includes Priority Mail Express® embargoes and quarantines. ... Change of Address (COA) is a request to tell the United States Postal Service (USPS) to reroute your mail (including letters and packages) for ALL/OR SELECTED individuals at the specified address.Jun 15, 2026 in FAQ

April 11, 2026 - When shipping to the U.S., follow U.S. domestic restriction policies. ... If you want to ensure that your mail receives a postmark on the day you mail it, ask a retail associate at a Post Office retail counter to hand-cancel it for free. ... Click-N-Ship will alert you to some of the prohibitions and restrictions based on the 5-digit Military Post Office ZIP Code™ you're shipping to, but you are responsible for ensuring your package complies with the laws and regulations of the U.S.

Information about disruptions that may affect service for customers shipping internationally.

However, some items that are prohibited from being shipped internationally can shipped domestically, with some restrictions. ... For the full list and other internationally recognized restricted goods, please visit: https://www.usps.com/ship/shipping-restrictions.htm ​ ​

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January 4, 2023 - This covers USPS facility appointments for package induction changes and a detailed walkthrough of how to create and manage appointments and access reports within the Facilities Access and Shipment Tracking (FAST) application.

Postal and Shipping Servi... ... I’m assuming that you mean through the US Postal Service. Allowed items by USPS would be an exhaustive list. The list of prohibited and restricted items would be much shorter.

1.0 General Standards · 3.0 Acceptable Mailing Containers