Columbia Locking Mailbox
This popular locking mailbox works well for
both residential and commercial applications. Oversize
incoming mail slot will accept a box of checks, catalogs,
Priority Mail envelopes, and more. Features include:
A convenient non-locking outgoing mail shelf, roomy
interior, and an extra-strength lock.
USPS APPROVED - DOES NOT REQUIRE U.S.P.S. MASTER LOCK!
Features
- Material: Galvanized steel: Top & sides = 18 gauge,
Bottom pan = 16 gauge, Door = 12 gauge - Finish: Durable powder coat
- Colors: Black, Stone Gray, White, Pearl Taupe,
Mallard Green, and Juniper Green

Dimensions
- Height: 15"
- Width: 10 3/8"
- Length: 21"
- Incoming mail slot size: 2 - 1/8" H x 10 - 1/8" W
Download Info
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Columbia Locking Mailbox
This popular locking mailbox works well for
both residential and commercial applications. Oversize
incoming mail slot will accept a box of checks, catalogs,
Priority Mail envelopes, and more. Features include:
A convenient non-locking outgoing mail shelf, roomy
interior, and an extra-strength lock.
USPS APPROVED – DOES NOT REQUIRE U.S.P.S. MASTER LOCK!
Features
- Material: Galvanized steel: Top & sides = 18 gauge,
Bottom pan = 16 gauge, Door = 12 gauge - Finish: Durable powder coat
- Colors: Black, Stone Gray, White, Pearl Taupe,
Mallard Green, and Juniper Green

Dimensions
- Height: 15″
- Width: 10 3/8″
- Length: 21″
- Incoming mail slot size: 2 – 1/8″ H x 10 – 1/8″ W
Download Info
Product Spec Sheet