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Montana License Plate Display Law — 2025 Guide

Q: What is the Montana license plate format?

Montana uses the format 1A 23456 for standard passenger plates.

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Quick Answer

Montana requires front and rear plates for most vehicles, with exceptions for cars without factory front bracket.

The Law at a Glance

Statute

Montana Code Annotated §61-3-301

Mounting

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Plate Format

1A 23456

Penalty

Fines vary by jurisdiction.

Plate Design

Mountain landscape design.

Recent Changes

**2017 change**: Montana exempts vehicles from front-plate requirement if they were not designed for one or lack a factory bracket — but motorists must obtain Montana Highway Patrol approval first.

State-Specific Notes

Montana requires bureaucratic approval for the front-plate exemption.

Plate Design Details

First Issued

January 2010 (current format started in 2025)

Plate Style

Screened serial; reflective sheeting

Full Design

White on blue with white state outline — 'Treasure State'

Current Format

Coded by county: 0-AB1234 or 00-AB123

Letter Exclusions

I, O, Q, R, and V are not used.

Historical Plates Still Valid

Earlier formats: 0-12345A, 00-1234A. Earlier 2006–2009 'Big Sky Country' plates (0C-12345, 0C-1234A, 0-12345A) remain valid if permanently registered. Optional replica bases include 1989 Centennial, 1991 'Big Sky', 2000, and 2006 'Big Sky Country.'

Notable Facts

Montana's county codes were assigned around 1930 based on historical population figures and have not changed since. The 2017 Montana State Legislature added a front-plate exemption for vehicles without factory front brackets, but motorists must obtain Montana Highway Patrol approval first.

How atroq Frames Stay Compliant in Montana

atroq frames in Montana are engineered to comply with all display requirements. The frame's recessed sticker windows keep renewal stickers visible. The frame's thickness does not obscure the alphanumeric serial, state name, or the issuing jurisdiction. atroq's universal mounting fits Montana's standard 6 × 12 inch passenger plates. Frame requirements vary by vehicle type — review the Montana statute or contact atroq if uncertain.

Design your Montana-compliant frame

Premium custom license plate frames built for Montana's display requirements. MOQ 500. From $1.30 / frame.

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Frequently Asked Questions

Is a front license plate required in Montana?

Conditionally. Montana generally requires both front and rear plates, but with exceptions. Montana requires front and rear plates for most vehicles, with exceptions for cars without factory front bracket.

What is the Montana license plate format?

Montana uses the format 1A 23456 for standard passenger plates.

Are there any recent Montana license plate law changes?

**2017 change**: Montana exempts vehicles from front-plate requirement if they were not designed for one or lack a factory bracket — but motorists must obtain Montana Highway Patrol approval first.

Are decorative license plate frames legal in Montana?

Yes. Decorative frames are legal in Montana as long as they do not obscure the alphanumeric serial, the state name, or any registration sticker. atroq frames are designed to comply with Montana display requirements.

What size are Montana license plates?

Montana issues plates in the U.S. standard 6 × 12 inches (150 × 300 mm) for passenger vehicles, matching the 1956 SAE / Automobile Manufacturers Association dimensional agreement.

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