USPS - Acronyms & Abbreviations


	Acronyms and Abbreviations


	Understand our acronyms and abbreviations.

Visiting these links will help you to figure out what it all means.

	Acronyms Codes like ACS (Address Change Service) that use the first letters of each word.
	State Abbreviations From AL (Alabama) to WY (Wyoming).
	Street Suffixes Whether you’re addressing to an AVE (Avenue), BYU (Bayou), BLVD (Boulevard) or other type of RD (Road).
	Secondary Unit Designators Indicates the type of residential or commercial unit mail is sent to, such as APT (apartment), STE (suite), or TRLR (trailer).