Assuming you would like 100 words on how to drop off a UPS package at the United States Postal Service:
The first step is to affix the correct postage to your package. If you are unsure of how much postage to use, you can calculate it online at ups.com or usps.com.
Once you have the correct postage, simply take your package to any USPS location and give it to a postal worker behind the counter. The postal worker will then process your package and send it on its way.
When you need to send a package via UPS, you have two options for drop-off: at a UPS Store, or at a USPS location. If you choose to drop your package off at a USPS location, there are a few things you need to know.
First, not all USPS locations accept UPS packages.
You’ll need to check with your local post office to see if they do. Second, even if your local post office does accept UPS packages, they may not be able to process it right away. In some cases, it may take a day or two for the package to be processed and sent on its way.
If you’re in a hurry and need to get your package sent out ASAP, it’s best to take it directly to a UPS Store. They can handle the packaging and shipping of your package quickly and efficiently.
Mail Drop Box Sizes & Dimensions for FedEx, UPS, and USPS Post Office
Can I Drop a Ups Package at Usps?
Yes, you can drop a UPS package at USPS. However, there are a few things to keep in mind. First, the package must be small enough to fit into a USPS mailbox.
Second, you will need to print out and attach a UPS mailing label to the package. And finally, you will need to pay for postage using a credit or debit card.
What Happens If I Drop off a Ups Package at Usps?
If you drop a UPS package off at USPS, the package will be sent back to UPS. This is because UPS and USPS are two separate shipping companies with different shipping protocols. If you drop a UPS package off at USPS, the package will be sent back to UPS.

Credit: thelakewoodscoop.com
Where to Drop off Large Ups Packages
When you have a large UPS package to drop off, there are a few options available to you. The most convenient option is to take the package to a UPS Store. There are over 4,700 UPS Stores nationwide, so chances are there is one near you.
Another option is to drop the package off at a UPS Customer Center. These locations are typically larger than UPS Stores and can accommodate larger packages. If you have a UPS account, you can also arrange for pickup service from your home or office.
Conclusion
If you’re shipping a package through UPS and need to drop it off at the post office, there’s no need to worry – you can do so without any problem. Simply take your package to the counter and let the clerk know that you’d like to ship it via UPS. They’ll be able to print out a label for you and get your package on its way.