To ensure smooth communications and a consistent identity for the outside world, the defined rules must be observed for addresses on writing paper and business cards and in email signatures. Sender ...

ACCORDING TO THE UNITED STATES POSTAL SERVICE, - NO REFERENCE - TO "P.O. BOX," "BOX NO.," OR THE WORD "BOX" CAN or SHOULD BE MADE. The approved USPS designation is the number sign (#). The "W" in 60 W ...