JMD SWINGING MAILBOX POST
Built from heavy-duty galvanized steel, these mailbox posts are engineered to meet the Minnesota Department of Transportation’s swing-away mailbox support specifications (Standard Plate No. 9350B) — and are now available for private use.
JMD SWINGING MAILBOX POST
Now you can buy the 36” and 48” swinging mailbox support post along with a 6’ sign post direct from the manufacturer. They come in 2 different versions, 36” set back and 48” set back.
Specifications:
Heavy steel construction
Galvanized
Security chain that prevents separation of the assembly
Meets all of the criteria described in the Minnesota Department of Transportation’s Standard Plate #9350B titled “mailbox support swing away type” approved 7-16-2021.
NEW MINNESOTA 9350C DOT APPROVED MAILBOX POSTS NOW AVAILABLE
JMD Manufacturing also has the ability to produce the newest Minnesota Department of Transportation, approved 10-11-2023, mailbox support standard plate no. 9350C. Please call for information and pricing for the 9350C mailbox support as production and lead time will vary, and may require minimum quantity orders.
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- For quantities of 10 or more, please contact us for pricing, 320-231-2686.
- Mailbox and mounting hardware are not included.
- Pricing includes shipping and handling.
- Ordering either a 36″ or 48″ mailbox support post online to be shipped can only be shipped to the states of MN, Iowa, SD, ND & WI via SpeeDee.
- Any other shipping to states not mentioned will need to be calculated via UPS for the best rate available. Please call or email.

