ZIP Code by Address
Enter an address to find its ZIP Code. Searches the full U.S. ZIP code database (41,490 ZIP Codes).
ZIP codes are matched to city and state using the full U.S. ZIP code database — 41,490 ZIP Codes.
How to use
- Fill in the street address, city and state.
- Optionally add a company, apt/suite, or the ZIP you believe is correct.
- Click Find ZIP Code to get the ZIP Code for that address.
Frequently Asked Questions
Do you verify street addresses?
This tool matches your city and state against the full ZIP code database and returns the primary ZIP Code. Street-level USPS verification requires address data beyond this database.
What if I also entered a ZIP?
If you typed a ZIP, the tool checks that it exists in the database and shows its official city, state and county.
Is this tool free?
Yes. This ZIP code lookup is free to use.