The Delivery Address Line and Last Line of Address on mail are validated by the ZIP
+4 software.
A standardized address contains the correct city name, state and ZIP code. All suffixes,
directionals, and abbreviations are correct.
All lines of the address are aligned with the left margin and use uppercase letters.
Example of a standard postal address:
MR JOHN DOE (Recipient line)
123 MAGNOLIA ST (Delivery Address line)
HEMPSTEAD NY 11550 (Last line)
NOTE: When the name of a State is used as a portion of the Primary Street Name, the standard
two–letter abbreviation is recommended. However, when the State name is the complete
Primary Street Name, such as OKLAHOMA AVE, then completely spell out the State name.