Mailbox Lock - Buy

: A DIY-friendly kit that includes five different cam sizes to ensure fitment across almost any mailbox type. It often comes with four keys and is available on Amazon . Mailbox Key and Lock Replacement

: If you live in an apartment or complex with a centralized box, you may be required to use this specific USPS-approved clockwise-rotating lock. Carriers may refuse delivery if the lock does not meet these standards. VIXAVI Universal Mailbox Lock buy mailbox lock

and is compatible with brands like American Device and Florence. Prime-Line S 4634C (Brass Face) : A DIY-friendly kit that includes five different

: A widely used nickel-finish lock that opens counter-clockwise with a 90-degree rotation. It typically costs around at Home Depot Carriers may refuse delivery if the lock does

Based on merchant popularity and user reviews from sites like Home Depot and Amazon , these are top choices for standard replacements: Prime-Line S 4140 Mailbox Lock

: This 5-pin tumbler lock includes a 5-cam assortment, making it versatile for different mailbox depths. It is available for approximately at Home Depot National Mailbox Lock C9100 (USPS-L-1172C) Go to product viewer dialog for this item.

When buying a mailbox lock, your choice depends primarily on the brand of your mailbox and whether it is privately owned or part of a United States Postal Service (USPS) centralized unit. For residential mailboxes, you will most likely need a , which uses a rotating tailpiece to secure the door. Top Recommended Mailbox Locks