Made entirely of aluminum, Salsbury 3500 series USPS approved 4B plus vertical mailboxes feature a durable powder coated finish available in five (5) contemporary colors aluminum, brass, bronze, sandstone or green. Surface mounted units mount directly to a wall or other flat surface and are secured with mounting hardware through the back panel. Vertical mailboxes are approved for US Postal Service (USPS) mail delivery. Units feature 5-1/2 in. W x 16-1/4 in. H extruded aluminum doors. Each door includes a five (5) pin cylinder cam lock with two (2) keys and a 2-1/2 in. W x 5/8 in. H indentation to accommodate a label (included) identifying the tenant?s name and/or box number. Mailboxes are available in units with three (3) to seven (7) compartments. Each compartment is 16-1/4 in. H x 5-1/2 in. x 6-3/4 in. D.
Made entirely of aluminum, Salsbury 3500 series USPS approved 4B plus vertical mailboxes feature a durable powder coated finish available in five (5) contemporary colors aluminum, brass, bronze, sandstone or green. Surface mounted units mount directly to a wall or other flat surface and are secured with mounting hardware through the back panel. Vertical mailboxes are approved for US Postal Service (USPS) mail delivery. Units feature 5-1/2 in. W x 16-1/4 in. H extruded aluminum doors. Each door includes a five (5) pin cylinder cam lock with two (2) keys and a 2-1/2 in. W x 5/8 in. H indentation
Gallery
Attributes
Distributor offers
| Seller | SKU | MOQ | In stock | Multiple | Prices |
|---|---|---|---|---|---|
![]() Home Depot | 202400322 | 1 | 1 @ $101.25 | ||
| G7424733 | 1 | 107 | 1 | 1 @ $294.99 | |
| Grainger | 3YNT4 | 1 | 1 | ||
| Global Industrial | B1408444 | 1 | 1 | 1 @ $110.95 | |
| Appliances Connection | 3503ASU | 1 | Delivery within 8-12 Weeks | 1 | 1 @ $377.99 |
![]() Factory Direct Hardware | 3503ASU | 1 | 100 | 1 | 1 @ $393.75 |
| AD3EPM | 1 | 1 | 1 @ $523.76 | ||
![]() AmazonTP | B005F6382G | 1 | 1 | 1 @ $153.00 | |
| AmazonSC | B005F6382G | 1 | 1 | ||
![]() AmazonTP | B00R8X4VWA | 1 | 1 | 1 @ $193.12 | |
| 656435 | 1 | -2 | 1 | 1 @ $399.66 | |
| Amazon | B00R8X4VWA | 1 | 1 | 1 @ $179.46 | |
![]() National Supply Network | B1408444 | 1 | -2 | 1 | 1 @ $432.34 |
| sustainablesupply.com | C1753421 | 1 | -2 | 1 | 1 @ $179.59 |
![]() simsupply.com | ZO-G7424733 | 1 | 47 | 1 | 1 @ $366.94 |
![]() unbeatablesale.com | SBRI0917 | 1 | -2 | 1 | 1 @ $318.09 |
![]() Global Industrial | WBB1408444 | 1 | -2 | 1 | 1 @ $317.85 |
| 3503-SU | 1 | 1 | 1 @ $393.75 |
Related on Amazon
As an Amazon Associate, we earn from qualifying purchases. (paid link) CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
- Doors and trim are striated to resist scratching
- Doors include a 5 pin cylinder cam lock (with 2 keys)
- Mailboxes are available with 3 to 7 compartments
| Binding | Tools & Home Improvement |
|---|---|
| Product group | Home Improvement |
| Product type | HARDWARE |
| Model | 3503ASU |
| Part number | 3503ASU |
| Items per pack | 1 |
| Label | Salsbury Industries |
| Manufacturer | Salsbury Industries |
- Image May Vary From Actual Color
- Color Finish: Aluminum
- Construction: Aluminum
- Access Type: USPS
- Mount Type: Surface Wall Mounted
| Binding | Tools & Home Improvement |
|---|---|
| Product group | Home Improvement |
| Product type | HARDWARE |
| Model | 3503ASU |
| Part number | 3503ASU |
| Items per pack | 1 |
| Label | Salsbury Industries |
| Manufacturer | Salsbury Industries |
| Feature | Image May Vary From Actual Color |
|---|---|
| Category | Tools & Home Improvement |
| MPN | 3503ASU |
| UPC | 820996537119 |
| EAN | 820996537119 |
| Product group | Home Improvement |
| Product type | HARDWARE |
| Manufacturer | Salsbury Industries |
| Product group | Home Improvement |
|---|---|
| Product type | HARDWARE |
| Model | 3503ASU |
| Part number | 3503ASU |
| Label | SALSBURY INDUSTRIES |
| Manufacturer | SALSBURY INDUSTRIES |






