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Which USPS packages can arrive on Sunday?
USPS’s Delayed Mail and Packages FAQ identifies two categories: Priority Mail Express mailpieces and Amazon parcels. That does not mean every package from Amazon is sent by USPS, or that every USPS package is eligible for Sunday delivery.
Regular Priority Mail is not listed as a Sunday-delivery service. USPS describes its typical delivery time as 2–3 business days, not guaranteed; that estimate is not a promise of Sunday delivery.
Can you send a package for Sunday delivery?
Priority Mail Express
Priority Mail Express is USPS’s urgent-mail option. USPS describes it as a 1–3-day service with a money-back guarantee and delivery by 6 p.m. Sunday and holiday delivery is available in many major markets for an additional fee, but the service and arrival date depend on the route. See the Priority Mail Express service details and verify eligibility before mailing.
#1 Best Overall
- Weather Tough, Year-Round: Rain, snow, or sun—galvanized steel construction makes this mail box one of the most reliable metal mailboxes for outside use.
- Rust-Resistant from Top to Bottom: This post mounted mailbox features a tough powder-coat finish, adding an extra layer of protection to this curbside mailbox.
- Perfect Everyday Size: Medium size offers plenty of space for daily mail, magazines, & small packages—perfect for most curbside mail boxes for outside.
- USPS Post Master General Approved: Mailbox is USPS approved, as required for all curbside delivery by U.S. Mail carriers - for smooth, uninterrupted service.
- Install in Minutes: Fully assembled & ready to mount. Just note: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box.
Check the route before relying on Sunday delivery
Sunday or holiday delivery is not available on every route, and USPS does not provide a universal Sunday fee or a complete eligibility list in the cited guidance. Use the USPS Domestic Price Calculator with the origin and destination ZIP Codes to check delivery information for the mailing. USPS service standards depend on the acceptance date as well as both ZIP Codes.
How to check an existing package
- Open USPS Tracking at USPS.com Tracking and enter the tracking number.
- Read the latest scan and displayed delivery date. A Sunday delivery is not assured merely because the package is in transit over the weekend.
- Check the service commitment for the shipment’s origin and destination ZIP Codes using USPS delivery information. The commitment for that route and mailing date is more relevant than a general estimate.
Does Sunday delivery mean the Post Office is open?
No. Package delivery to an address and retail-counter hours are separate questions. The USPS guidance cited here describes delivery, not Sunday opening hours for an individual Post Office; check that location’s hours directly if you need counter service.
Rank #2
- One Purchase, Zero Guesswork: Matching mailbox with post provides a complete set for outdoor use.
- Weather Tough, Year-Round: Rain, snow, or sun—galvanized steel construction makes this mail box one of the most reliable metal mailboxes for outside use.
- Rust-Resistant from Top to Bottom: This post mounted mailbox features a tough powder-coat finish, adding an extra layer of protection to this curbside mailbox with post.
- Perfect Everyday Size: Medium size offers plenty of space for daily mail, magazines, & small packages—perfect for most curbside mail boxes for outside.
- USPS Post Master General Approved: Mailbox is USPS approved, as required for all curbside delivery by U.S. Mail carriers - for smooth, uninterrupted service.
Sunday delivery at a glance
| Mail or service | What USPS says | Sunday qualification |
|---|---|---|
| Priority Mail Express | 1–3 days, guaranteed, with delivery by 6 p.m. | Sunday and holiday delivery is available in many major markets for an additional fee; check the actual route. |
| Priority Mail | 2–3 business days, not guaranteed | Not identified by USPS as a standard Sunday-delivery category. |
| Amazon parcels | Named in USPS’s delayed-mail FAQ as eligible for Sunday delivery | This does not establish that every Amazon parcel is carried by USPS or arrives Sunday. |
Service descriptions are from the USPS delayed-mail FAQ and the Priority Mail Express page; route availability should be checked for the specific shipment.
Quick Recap
Rank #4
- Built Like a Tank: This heavy duty mailbox is crafted from thick-gauge, galvanized steel to take on whatever the outdoors throws at it.
- Weather-Resistant Finish: The powder-coated surface adds an extra layer of protection to this curbside mailbox, preventing corrosion in all climates.
- Spacious, Not Oversized: Large mailboxes for outside offer plenty of room for mail, plus multiple packages—without looking bulky at your curbside.
- USPS Post Master General Approved: Mailbox is USPS approved, as required for all curbside delivery by U.S. Mail carriers - for smooth, uninterrupted service.
- Simple Setup: Just attach the flag—assembly is quick & easy. Reminder: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box.
Rank #3
- SECURE YOUR DELIVERIES: USPS approved locking mailbox defends against mail theft; keeps mail, checks, and small packages locked away from thieves
- QUALITY: 14- and 16-gauge galvanized welded steel construction with stainless steel hinges defends against vandalism
- SECURITY: Innovative baffle door accepts small parcels, packages, and a box of checks and also deters fishing. Does not include or require mounting plate
- PATENTED: Anti-Pry latch lock mechanism stops leveraged screwdriver attacks cold; anti-drill, anti-pick commercial grade 10-disc wafer lock with thickened core and 1,000+ key cuts
- ACCESSORIES: Includes concealed outgoing mail clip, (3) all-metal laser cut keys, and required installation hardware
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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