If you’re selling items online, returning a product, or simply sending a care package to a loved one, you’ve probably wondered: can I put a package in my mailbox for pickup?
The short answer is yes, but only under certain conditions. Understanding how package pickup works—especially for USPS—is crucial to avoid missed pickups or returned items. In this article, we’ll explain the rules, limits, and best practices for leaving a package in your mailbox, along with some useful alternatives and tools to simplify the process.
When Is Mailbox Pickup Allowed?
The United States Postal Service (USPS) allows residential customers to place outgoing packages in their mailbox for pickup, but there are several key requirements to follow:
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The package must fit inside your mailbox.
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It must have the correct postage already applied.
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The mail carrier must have access to your mailbox (flag raised for curbside).
If any of these conditions aren’t met, your package may not be picked up.
Size and Weight Restrictions
USPS guidelines clearly state that packages left in mailboxes for pickup must adhere to these limits:
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Weight: Up to 13 oz if using stamps for postage.
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Size: Must fit entirely inside your mailbox with the door fully closed.
If your package is heavier than 13 oz and you’re using stamps only, it cannot be placed in your mailbox. Instead, you must hand it to a mail carrier or take it to a post office counter. However, if you purchase and print a USPS shipping label (with barcode and tracking), you can leave heavier packages out for pickup.
How to Prepare Your Package for Pickup
To avoid delays, follow these steps to properly prepare your package for mailbox pickup:
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Weigh and measure your package. Use a postal scale or estimate based on previous shipments.
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Choose the right packaging. Use sturdy boxes or padded envelopes.
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Affix correct postage. Either use stamps (for small packages under 13 oz) or print a USPS label using Click-N-Ship or a third-party service.
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Raise the flag. For curbside mailboxes, raising the red flag signals to the carrier that there's outgoing mail to be collected.
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Make sure it fits. If it can’t fit in the mailbox, consider alternative pickup options (explained below).
Benefits of Mailbox Pickup
Using your mailbox for package pickup offers several advantages:
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Convenience: No need to visit a post office.
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Time-saving: Just leave it out and go about your day.
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Reliable for small items: Ideal for shipping lightweight goods or returns.
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Integrated with daily mail service: No extra scheduling needed for basic pickup.
What If the Package Doesn't Fit?
If your package is too large for your mailbox, you have two main options:
1. Schedule a Free USPS Package Pickup
You can go online and request a USPS package pickup at your doorstep for the next delivery day. This service is free, provided that at least one item in the pickup is being sent via USPS Priority Mail, Priority Mail Express, or First-Class Package Service.
Visit https://www.usps.com/pickup to schedule.
2. Drop Off at a USPS Location
If you missed the carrier or didn’t schedule a pickup, you can drop your package off at:
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A local USPS Post Office
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A blue collection box (for packages that fit and weigh under 13 oz with stamps)
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USPS retail partners (grocery stores, pharmacies, etc.)
Private Carriers (UPS, FedEx, etc.)
It’s worth noting that this article focuses primarily on USPS. If you’re using a private shipping service like UPS or FedEx, you cannot place their packages in your USPS mailbox. Doing so is illegal and may result in delivery failure or fines.
Is It Safe to Leave Packages in Your Mailbox?
For small packages, leaving them in your locked or covered mailbox is generally safe. However, if your mailbox is in a high-theft area, consider these precautions:
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Use a locking mailbox with a secure outgoing mail slot
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Place the package out just before the carrier’s arrival
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Opt for scheduled pickup where the item is retrieved from your front door
Sending Returns from Your Mailbox
If you're sending returns to retailers like Amazon, Target, or clothing brands, many return labels are USPS-compatible. As long as the package:
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Fits in the mailbox
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Has a prepaid USPS label
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Doesn’t exceed weight or size limits
…you can absolutely place it in your mailbox for pickup.
Environmental and Time-Saving Benefits
By using your mailbox for outgoing packages, you're also reducing the number of trips you make to the post office, cutting down on fuel use, traffic congestion, and wait times. This method supports both eco-conscious shipping and personal convenience.
Frequently Asked Questions
Can I put a package in my mailbox for pickup if it weighs over 13 oz?
Only if you use a printed USPS shipping label with tracking. If you're using stamps, it must be under 13 oz.
What happens if I leave a FedEx or UPS package in my mailbox?
It won’t be picked up and could violate postal regulations. USPS carriers are not allowed to collect items from other shipping companies.
How do I know if my mail carrier picked up my package?
If the item has tracking, you’ll receive a pickup scan when the carrier retrieves it. Otherwise, you won’t get confirmation unless you scheduled a pickup.
Can I leave multiple packages in my mailbox?
Yes, as long as they all fit inside and meet USPS weight/postage requirements.
Is it safe to leave packages in an unlocked mailbox?
It's generally safe, but if theft is a concern, consider upgrading to a locking mailbox or scheduling doorstep pickup instead.