Address for Success

The links on this page will help you address your mail with format and content accuracy in order to move your mail efficiently through the USPS system.

Address Correction

ZIP + 4 Code Lookup Form
City State / Zip Code Associations


State Abbreviations
USPS Address Line Suffix Abbreviations (Street, Drive, Lane, etc.)
USPS Address Line Secondary Unit Abbreviations (Apartment, Floor, Office, etc.)