The correct zip code for 60 W. Olsen Rd. is 91360-2700. NO REFERENCE TO "BOX" OR "P.O. BOX" SHOULD BE MADE AT THE MAIL CODE LOCATION. THE NUMBER SIGN (#) IS THE APPROVED DESIGNATION. If there are any ...

If you’ve got something to send and are wondering how to properly address an envelope, we’re here to ... For informal letters, follow the same format as the sender's address.