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

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.

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.

https://www.usps.com/manage/po-boxes.htm. Enter a valid street address, city, and state or a ZIP Code™ to find a PO Box at a location

United States Zip Codes provides a free zip code map and list of zip codes by state. Find zip codes by address, zip codes by city, or zip codes by state.

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.

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.

The USPS assigns a unique five-digit code to each address in the United States to facilitate efficient and accurate mail delivery. The first digit of the ZIP code represents a broad …

Note: The ZIP Code™ lookup tool will display the address in USPS standardized format. This may look different than the street address information that you entered.