Postal Addressing Standards
The following link below shows the commonly used street suffix or abbreviations, plus the recommended Postal Service standard suffix abbreviations so your address text will be appropriately formatted according to USPS. Not all your written address text can be used at times, so these are the standards used to help shorten your address text for appropriate addressing when creating your digital proof design. If you have questions concerning how to abbreviate an addressing word, this link will be most useful. Check it out!
Link > https://pe.usps.com/text/pub28/28apc_002.htm