Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need …

Click here to Look up ZIP Codes™ for corporate and residential addresses. ZIP Code by Address Enter street address, city, and state to see a specific ZIP Code.

A ZIP Code is an essential part of the mailing process. We provide your business with several different ways to find a ZIP Code and understand it.

Mail will be rerouted to your new address piece by piece. If you can’t verify your identity online: USPS will send you an email with instructions and a barcode.

If the mail item is eligible, you can even upgrade the mail class and/or add Extra Services. NOTE: To see all Delivery Instructions setup options – free AND paid – be sure to access Delivery …

Look Up a ZIP Code ™ Find a ZIP Code ™ by street address or city and state to make sure your mail arrives at the right place.

Get Started! Enter the 5-digit ZIP Code ™ you're shipping from. Drag and zoom the map to see the area you're mailing to, as well as Alaska, Hawaii, and U.S. territories. * Required field * …

Enter a corporate or residential street address, city, and state to see a specific ZIP Code ™. Find by Address By City and State

AIS Viewer is an interactive application designed to provide the ability to retrieve, view, and print accurate and current ZIP Code™ information for all 50 states.

Find USPS locations like Post Offices, collection boxes, and kiosks so you can send packages, mail letters, buy stamps, apply for passports, get redeliveries, and more.