Properly Addressed Mail
Return Address. Print or type your address in the upper left corner on the front of the envelope.
Postage. Place the correct postage on the upper right-hand of your mail. Use the online calculator to calculate your postage rates, or take your item directly to the Mail Center at 323 West Nickerson Street.
Delivery Address. Clearly print the delivery address parallel to the longest side of the package. Do not use commas or periods.
City, State, and ZIP Code. Use the correct spelling of the town/city, and the correct zip code, which you can find at the USPS's Zip Code Calculator.