Where is the tracking number located on the U.S. Postal Service receipt?

What is the format of the USPS tracking number?

A USPS Tracking Number is a shipment tracking number or unique identifier provided to each USPS package sent through courier. This number will be used exclusively by USPS.Any USPS package tracking number is unique and will be between 20 and 22 digits in length, with no letters or two ending letters. Please see below some instances of USPS tracking numbers. Listed below are samples of tracking numbers. Please be aware that USPS Express Mail tracking numbers consist of 13 characters, beginning with two letters and ending with "US."

USPS tracking number format
USPS tracking: 9400 1000 473859400 0000 00
Priority mail: 9205 5000 04938495069000 00
Certified letter: 9407 3000 00374859489500 00
Pick up on delivery Hold for pick up: 9303 3000 00047380795310 00
Global Express Guarantee: 82 0005748300
Priority Express International Mail: EC 000 4839600 US
Courier Priority Mail: 9270 1000 00030291869580 00
EA 000 000 000 US
International Mail Priority: CP 000 000 000 US
Registered mail: 9208 8000 20194859430000 00
Verify Signature: 9202 1000 0059438271300 00

How do you obtain free USPS shipping?
If you purchase USPS shipping directly from the postal operator, you must pay for the requested service. In this instance, there are no free delivery choices available. However, if you purchase an item from a marketplace or online store that ships with USPS packages, the business or seller may cover your USPS parcel shipping expenses.

If this is the case, you are not responsible for paying USPS shipping costs at the time of purchase. To encourage the purchase of their products, a number of online marketplaces and enterprises provide free USPS shipping.

Where can I locate my tracking number for USPS?
USPS tracking numbers are available in the following locations:
USPS delivery receipt.
Your confirmation email address.
On the actual packaging.
If you are the recipient, you can ask the sender for it.
USPS will send a text message to the phone number you supplied.
Using your USPS tracking number, you can track up to ten packages on the Ship24 homepage. Ship24 can scan more than 1,200 shippers across the globe and offer you with accurate, timely information about your packages.

How can I contact Customer Service for USPS Tracking?
USPS customer care is available to assist you with any inquiries, problems, or feedback. There are multiple methods to reach them.