In the United States, residential mailbox size and location of the box or mail slot is regulated by the United States Postal Service (USPS). Curbside mailboxes can be colorful and customized within those guidelines, but a locking box is recommended. New developments, however, generally have a centralized mailbox location with a bank of locking boxes and these cannot be customized in any way.
By law, only a USPS mail carrier is allowed to place anything in the mailbox, with the exception of outgoing mail to be picked up by the mail carrier. In curbside mailboxes, a red flag is raised on the box when there is mail for pickup. Centralized mailboxes do not have a pickup location and homeowners who have these must use another method for outgoing mail.
 Step2 Mailbox, Home Delivery Mailmaster, Black & Gray, Retail value $22  US $12.99
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 Step2 Mailbox, Home Delivery Mailmaster, Tan & Green, Retail value $22 US $9.99
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 VICTORIAN MAILBOX - Bronze - Locking Mailbox - By Fuoriserie - E6BZ US $75.00
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 Gator mailbox, hand painted, two sides US $70.00
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 41" Scaled Upgright Dragon Going Postal Gothic Newspaper Mailbox Post Decor US $329.00
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 Mailbox Stainless Steel Locking Mail Box Letterbox Postal Box Modern Design New US $66.95
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 Vintage Aluminum Wall Mount Mailbox w/ Paper Rack US $29.99
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 Umbra POSTINO Wall Mount Stainless Steel Modern Mailbox w Lid BLACK NEW US $49.95
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 Hand~Painted Wall~Mount Birdhouse Mailbox with Trailing Flowers US $50.00
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 Hand~Painted Rural Mailbox Country Birdhouse ~ Flowers ~ Painted on all sides US $55.00
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 Largemouth BASS MAILBOX ! Fish, mailboxes lure US $89.95
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 cream white wall mount mailbox US $12.00
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 vintage wall mailbox US $10.00
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 Allux 3000 Copper and Steel Mailbox by JULIANNA US $150.00
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 Metal & Brass Turn Key Slot Mailbox US $29.99
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 Wall Mounted Mailbox US $8.00
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 VINTAGE WHITE METAL MAILBOX WITH EAGLE EMBLEM ON FRONT AND PAPER RACK US $15.35
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 Mailbox Stainless Steel Locking Mail Box Letterbox Postal Box Modern Design New US $66.95
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 Copper Mail Box 21" X 11" X 8 1/2" US $49.99
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 VINTAGE BLACK METAL MAILBOX FLAT WITH SLOT ON TOP & MAGAZINE RACK AT BOTTOM US $19.95
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