
The US Postal Service offers a range of international shipping options for sending mail abroad.
You can send packages to over 180 countries through the USPS, with delivery times ranging from 3-30 business days depending on the destination.
The USPS has a variety of shipping services, including First Class Package International, Priority Mail International, and Priority Mail Express International, each with its own set of features and benefits.
The cost of shipping will depend on the weight, size, and destination of your package, as well as the shipping service you choose.
Additional reading: Us Mail Package Size Limits
Services
The United States Postal Service (USPS) offers a wide range of international shipping options to meet every need, with services available in over 190 countries.
USPS has several international services, including Priority Mail International, Priority Mail Express International, and First-Class Package International Service.
First-Class Package International Service is a cost-effective way to ship small packages weighing up to 4 pounds that aren't worth more than $400. It's also available at USPS Post Offices and online.
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Some governments have imposed restrictions on this service, but it's still a great option for shipping small items.
If you want to ship packages weighing more than 4 pounds, you'll need to use a different service, such as Priority Mail International or Priority Mail Express International.
Priority Mail Express International is a popular service that offers fast and reliable shipping to around 180 countries, with a maximum weight of 70 pounds and a maximum combined length and girth of 108 inches.
First-Class Mail International is the most cost-effective option for shipping small packages, but it's only available for mail pieces up to 15.994 oz.
Here's a comparison of the maximum weights and sizes for different USPS international services:
Note that First-Class Mail International is only available for mail pieces, not for shipping boxes or envelopes.
Mail and Packages
If you're planning to send a package overseas, you'll want to consider the weight restrictions. USPS Priority Mail International has a maximum weight limit of 70 pounds, but some countries have lower weight restrictions, so be sure to check the specific figure before sending your parcel.
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For smaller packages, the maximum weight limit is 4 pounds for Flat Rate Envelopes and Small Flat Rate Priced Boxes. Medium and large Priority Mail International Flat Rate Boxes have a maximum weight limit of 20 pounds.
Here's a quick breakdown of the weight limits for different types of packages:
Keep in mind that these restrictions will help ensure your package arrives safely at its destination.
If you're looking to send mail internationally, you have several options, but Priority Mail Express International is a reliable choice.
It's one of the most cost-effective shipping services available, with speedy delivery in 3-5 business days.
This service offers a money-back guarantee, so you can have peace of mind knowing your package will arrive on time.
Flat Rate delivery is available, and you can even get free shipping supplies to make the process easier.
You can access this service at your local USPS office or online, making it convenient to send packages from anywhere.
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Packages

Packages can be shipped internationally through various USPS services. Priority Mail Express International is a reliable and cost-effective option, with delivery times ranging from 3-5 business days.
For smaller packages, First-Class Package International Service is a great choice, allowing you to ship items up to 4 pounds in value. This service is available at USPS Post Offices and online.
The pricing for First-Class Package International Service varies based on weight and destination, with a maximum weight of 4 pounds and a maximum combined length, height, and width of 36 inches.
Here's a breakdown of the weight-based pricing groups for First-Class Package International Service:
You can track your international packages through USPS, with real-time tracking available for services like Global Express Guaranteed and Priority Mail Express International. However, First Class Mail International and Airmail M-Bags don't offer tracking.
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Insurance, Tracking, and Guarantees
Insurance, Tracking, and Guarantees are essential features to consider when shipping overseas with the US Postal Service. You can get insurance for your packages, which provides limited loss, damage, or rifling coverage for Priority Mail International packages.
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Limited loss, damage, or rifling coverage is available for Priority Mail International packages, but you need to make sure the value of your shipments is permanently recorded on any applicable paperwork to avoid any inconvenience or discrepancies at the time of reimbursement.
USPS offers various tracking options, including the ability to track packages on USPS.com, through Informed Delivery, texts, the USPS Mobile app, or by phone. Each package gets a special tracking number for easy tracking.
The USPS Tracking page or contacting USPS directly provides access to tracking capabilities for Priority Mail Express International packages. This service also comes with insurance up to $100 for non-negotiable document reconstruction and insurance up to $200 for merchandise loss, damage, or missing contents.
The following table highlights some of the tracking and insurance options available for USPS international shipments:
USPS also offers additional tracking and delivery options, such as Signature Confirmation for added security, or Priority Mail Express for guaranteed on-time delivery. These special services provide peace of mind for customers who want the assurance of extra security and convenience for their packages.
Take a look at this: Us Postal Service Tracking Delivery Confirmation
Rates and Pricing

USPS international shipping rates and pricing can be complex, but understanding the basics can help you save money and provide better service to your customers.
USPS has different pricing tiers for international shipping, making it a favorite for small businesses and homes.
The USPS offers flat-rate pricing as an alternative to weight-based shipping costs, which can save you money depending on the items you ship. However, you'll need to ensure your shipments meet the weight and dimension requirements of the specific service and flat-rate packaging options.
Flat-rate pricing can be beneficial for retailers of small, heavy items, while those with larger, lighter offerings may see lower rates from weight-based alternatives.
The maximum weight for Priority Mail Express International Flat Rate envelopes, legal envelopes, and padded flat-rate envelopes is 4 lbs. For Priority Mail International Flat Rate envelopes and small flat-rate boxes, the maximum weight is also 4 lbs. Medium and large flat-rate boxes have a maximum weight of 20 lbs.
For more insights, see: Us Mail Weight Chart

USPS Priority Mail International Flat Rate shipping benefits vary depending on the specific service. For example, Priority Mail Express International Flat Rate shipments may be eligible for delivery date guarantees, while parcels mailed through both Express International and Priority Mail International receive insurance, tracking, and delivery receipt benefits.
Here are the starting rates for USPS International Flat Rate shipping:
- Flat Rate Envelopes: $28.57 (Priority Mail International), $51.98 (Priority Mail Express International)
- Small Flat Rate Boxes: $29.64 (Priority Mail International)
- Medium Flat Rate Boxes: $56.10 (Priority Mail International)
- Large Flat Rate Boxes: $69.10 (Priority Mail International)
It's essential to calculate rates for both weight-based and flat-rate services to determine which one makes sense for your international shipments.
Some nations are assigned to a specific pricing group by the USPS, while others are assigned to a particular pricing group by the USPS. For example, Hong Kong is classified as "Group 3", while mainland China has its own set of tariffs.
USPS International Shipping provides two different fee calculations: flat-rate pricing and pricing based on weight and destination country.
USPS offers two distinct packaging options, envelopes, and boxes. An Envelope costs $9 to mail to Canada and Mexico, while it costs $11 to ship to other nations. The weight limit for an Envelope is 4 pounds.
On a similar theme: Us Mail Weight Limit

Sending a Box to Canada and Mexico costs $23, while shipping to other countries costs $37. The weight limit for a Box is 20 pounds (or whatever the specific country's maximum is), and merchandise is allowed.
USPS International Shipping provides a good tracking experience but isn't as good as UPS, FedEx, or Amazon. However, the number appears to have fallen recently, and many business owners are using USPS International Shipping services.
Prices for First-Class Mail International, Priority Mail International, and First-Class Package International Service hinge on the package weight and destination.
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Restrictions and Regulations
As you prepare to send mail overseas, it's essential to understand the restrictions and regulations that apply. Shipments to EU countries now require more detailed content descriptions, effective March 1, 2023.
USPS offers online tools like Click-N-Ship to help with customs forms, but it's also crucial to navigate the variable regulations specific to different destination countries. The USPS's Index of Countries and Localities is the best source for this information.
Intriguing read: Usps Shipping Restrictions by Country
Some items that can be shipped in the US are prohibited internationally, including aerosols, alcoholic beverages, cigarettes, dry ice, fresh fruits/vegetables, nail polish, and poisons. This list may vary by country.
Here's a summary of prohibited items:
- Aerosols
- Alcoholic beverages
- Cigarettes
- Dry ice
- Fresh fruits/vegetables
- Nail polish
- Alcohol-based perfumes
- Poisons
The USPS also doesn't deliver to countries sanctioned by the Office of Foreign Assets Control (OFAC), including Belarus, Cuba, Iran, Iraq, North Korea, and Syria.
Rules and Restrictions
Restrictions and regulations are essential to consider when shipping internationally. You need to be aware of the rules and restrictions imposed by the USPS and the destination country to avoid any issues.
The USPS has a list of prohibited items that cannot be shipped internationally, including aerosols, alcoholic beverages, cigarettes, dry ice, fresh fruits and vegetables, nail polish, and poisons.
Some items that can be shipped in the US are prohibited from being shipped internationally. These include ammunition, explosives, gasoline, and marijuana.
The USPS does not deliver to countries that are currently being sanctioned by the Office of Foreign Assets Control (OFAC), including Belarus, Cuba, Iran, Iraq, North Korea, and Syria.
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Here are some specific restrictions to keep in mind:
- Aerosols, alcoholic beverages, cigarettes, dry ice, fresh fruits and vegetables, nail polish, and poisons are prohibited from being shipped internationally.
- Ammunition, explosives, gasoline, and marijuana are prohibited from being shipped internationally.
- The USPS does not deliver to countries that are currently being sanctioned by the OFAC.
It's also essential to comply with destination country laws, which can be different from US laws. Accurate and specific item descriptions are crucial for customs compliance.
If you're unsure about any restrictions or regulations, it's always best to check with the USPS or the destination country's customs regulations.
For more insights, see: Us Mail Customs Tracking
Issues Concerning
USPS International Shipping has its own set of issues, particularly with delivery charges. The charges are indeed less expensive, but the end-to-end shipment process is problematic.
The United States Postal Service isn't based in the United States, which can cause confusion. They partner with local shipping services in the destination country to make the final delivery.
Delivery delays and tracking difficulties are common issues with USPS International Shipping. This can leave customers in the dark about the status of their packages.
The USPS has started improving its tracking systems, which should alleviate some of these issues. However, the problem remains that the final delivery is made by a local shipping service, not USPS.
Delivery and Return
USPS offers several international shipping services with varying delivery times. Global Express Guaranteed delivers in as little as 1-3 business days, while Priority Mail International takes 6-10 business days.
For packages weighing up to 70 lbs, Priority Mail International is a cost-effective option, with pricing starting at $29.60 for Flat Rate Boxes and $40.45 for regular packaging.
Packages shipped with Priority Mail Express International usually arrive within 3-5 business days, making it a good choice for those who need faster delivery. This service is eligible for a guaranteed service refund.
Here's a breakdown of estimated delivery windows for different services:
- Global Express Guaranteed: 1-3 business days
- Priority Mail Express International: 3-5 business days
- Priority Mail International: 6-10 business days
- First-Class Package International Service: 6-20 business days
Delivery
Delivery times can vary greatly depending on the service you choose. With USPS, you can get your packages delivered in as little as 1-3 business days with Global Express Guaranteed or 3-5 business days with Priority Mail Express International.
If you need it even faster, Priority Mail Express International delivers in 3-5 business days and comes with $100 of insurance. This service is perfect for packages up to 70 lbs.
For another approach, see: Us Mail Business Days

Here's a breakdown of estimated delivery windows for different USPS services:
- Global Express Guaranteed: 1-3 business days
- Priority Mail Express International: 3-5 business days
- Priority Mail International: 6-10 business days
- First-Class Package International Service: 6-20 business days
USPS can be a great option for international deliveries, with delivery times as little as 1-3 days for select Canadian cities. However, the right service for you will depend on your needs, budget, and timeline requirements.
Return
Return shipping can be a bit of a hassle, but it's essential to have a smooth process in place.
USPS offers return shipping options that include a return receipt, which is a great way to ensure your package arrives back at its destination safely.
If you're using USPS Priority Mail International, you can expect a return shipping time of 6-10 business days, similar to the delivery time.
USPS Priority Mail Express International is another option for return shipping, with a delivery time of 3-5 business days.
You should also be aware of the maximum weight limits for return shipping, which is 70 lbs for packages and 4 lbs for envelopes.
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Here's a quick rundown of the maximum weight limits for return shipping:
USPS also offers insurance for return shipping, with $100 insurance for documents and $200 insurance for merchandise.
If you're shipping a package internationally, be aware that weight restrictions may be lower for some countries, so be sure to check the specific requirements for your destination.
E-commerce Strategies
E-commerce businesses can achieve substantial savings on international shipping costs by lowering package weight.
USPS presents an array of options for businesses engaging in international shipping, including Priority Mail International and Priority Mail Express International, complete with USPS Tracking for fast delivery.
To choose the right shipping service, consider delivery speed, cost, and the specific nature of the products being shipped.
You can also benefit from discounted postage rates when you pay for USPS international shipping with a Permit Imprint.
Here are some ways to save time and money on international shipping:
- Pre-fill customs documents
- Create commercial invoices and packing slips automatically
- Dynamically generate scannable return labels for hassle-free returns
- Create manifests so that you can ship a group of packages at once
USPS delivers to over 190 countries worldwide, offering diverse international shipping options for businesses of all sizes.
Frequently Asked Questions
Can I use 3 forever stamps for international mail USPS?
Yes, you can use 3 Forever Stamps for international mail, but only if your letter weighs one ounce or below. A Global Forever Stamp is also an option for international mail under one ounce.
Sources
- https://www.clickpost.ai/international-shipping/usps
- https://shippingeasy.com/blog/usps-international-shipping-options/
- https://www.allworld.com/usps-international-shipping/
- https://parcelpath.com/usps-international-shipping/
- https://goshippo.com/blog/quick-guide-to-usps-international-shipping-services-rules-costs
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