Buy Mailbox - Lock

: A widely used nickel-finish lock that opens counter-clockwise with a 90-degree rotation. It typically costs around at Home Depot

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 buy 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. : A widely used nickel-finish lock that opens

: 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 Top Recommended Mailbox Locks : This 5-pin tumbler

and is compatible with brands like American Device and Florence. Prime-Line S 4634C (Brass Face)

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

: 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