USPS Shrinks If It Fits It Ships Sizes

USPS approved 4C mailboxes are required for all new construction and renovation projects US Mail Supply has a list of USPS commercial mailbox regulations

mail slot can be efficiently, safely, and conveniently served by the Postal Service criteria shall be used in considering extensions of mail service

usps mail slot Hearings Before the Subcommittee on Postal Facilities and Mail of the Committee on Post Office slot Frederick R Kappel , Chairman of the USPS Board of

chaos slot Requirements for Locking Mailboxes Locking mailboxes are great for preventing mail theft They must still meet USPS standards Mail slots