Envelope Address Format and Layout

Domestic Address Format

Please reference the following link for different address elements placement.
http://pe.usps.com/text/pub28/pub28apa_003.htm

Sample: Domestic Mail Format

International Address Format

http://pe.usps.com/text/pub28/pub28apa_004.htm#ep392188
Canada Only: http://pe.usps.com/text/pub28/pub28apa_005.htm

Sample: International Address Format

Envelope Layout

Envelope Layout