 |
Make sure your mail gets to its destination. With each tool, up to five lookups can be processed per request.
Note: Access to these tools requires special permission.
Request permission to access Address Information APIs.
 |
Address Standardization
|
Eliminate addressing errors and help ensure accurate and timely delivery. This Web Tool corrects errors in street addresses, including abbreviations and missing information. It also supplies a ZIP+4 Code®.
|
|
|
ZIP Code™ Lookup
|
Find matching ZIP Codes or ZIP+4 Code for any given address, city, and state in the U.S.
|
|
|
City/State Lookup
|
Get accurate city and state information when you only have the ZIP Code.
|
|
|
|
|
|
|
|
|
|
Technical Guides
|
|
|
|
|
|
|
Download instructional guides to learn more.
|
|
|
|
|
|
 |
|
|
|
|
Service Providers
|
|
|
|
|
|
|
Need assistance with integrating? Use a service provider.
|
|
|
|
|
|
|
|
|
|
|
Access Web Tools
|
|
|
|
|
|
|
Register now to begin using the USPS Web Tools.
|
|
|
|
|
|
|
|
