US Address Format

• An address is regarded as complete when it contains all the elements needed for unique identification in the Universal POST*CODE® Database files.

Format	Example
Typical handwritten format: Name of recipient Street number and direction and street name and suite number Name of city, State abbreviation + ZIP code	Stone Profit Systems 445 E ohio street Suite 350 Chicago, IL 60611
USPS-recommended format: Name of recipient Street number and direction and street name and suite number Name of city, State abbreviation + ZIP code+4 code	STONE PROFIT SYSTEMS 445 E OHIO ST STE 350 CHICAGO IL 60611-3382

Secondary Address Unit Designators

• Secondary address unit designators, such as APARTMENT or SUITE.
• These are required to be printed on the mail-piece for address locations containing secondary unit designators.

Common Designators

• The most common unit designators are:

Designator	Abbreviation
APARTMENT	APT
BUILDING	BLDG
FLOOR	FL
SUITE	STE
UNIT	UNIT
ROOM	RM
DEPARTMENT	DEPT

Two letters State code

Postcode

• 9 digits to right of State, a hyphen between 5th and 6th digits, 2 spaces between State and postcode