The United States Street, Landmark, and Postal Address Data Standard is a draft data standard for U.S. address information. The draft standard defines and specifies elements and structures for organizing address data, defines tests of address data quality, and facilitates address data exchange. An address, as defined in the draft standard, specifies a location by reference to a thoroughfare or landmark; or it specifies a point of postal delivery. The draft standard has four parts: Data Content, Data Classification, Data Quality, and Data Exchange.

The Data Content part defines the simple and complex data elements that compose an address and the attributes that describe the address or its elements. Categories of data elements include address number, street name, occupancy (room, suite, unit, etc.), landmark name, placename, ...