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Mississippi

Ignition interlock devices in Mississippi

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We have 67 certified installation centers on file in Mississippi, spread across 48 cities and 4 provider networks.

Centers
67
Cities
48
Providers
4
Monthly · national guide
$70
national guide — Mississippi publishes no figure
Cost

What an interlock costs in Mississippi

The full cost breakdown for Mississippi

Mississippi publishes this as guidance; the exact figure depends on which manufacturer you use.

ChargeAmountWhat it covers
InstallationNot publishedcharged by the provider; the state publishes only its own fees
MonthlyNot publishedcharged by the provider
RemovalNot publishedTaking the device out at the end of your term

State guidance figure · DUI and Driving Privileges FAQ — Mississippi DPS Driver Service Bureau · effective 2025-08-26 · checked 2026-08-23

The fees nobody quotes you over the phone

These are charged on top of the three above, and they are where a cheap-looking Mississippi quote turns expensive.

FeeAmount
State ignition-interlock fee (paid when you collect the license)$175
Ignition-interlock-restricted driver license$56
Reinstatement to a regular license afterwards$175
  • These are state charges on top of whatever your provider bills for the device itself.
The rules

What Mississippi requires

Mississippi treats the interlock as the way to keep driving at all. The license is seized at the stop and the paper receipt works as a permit for 30 days; after that an administrative suspension runs unless the court has ordered an interlock-restricted license instead. Refusing the chemical test suspends a Class R license for 90 days on its own, and a year if you have a prior.

  • First offense: Set by the court order for an interlock-restricted license, which is what avoids the administrative suspension in the first place
  • Lockout threshold: Set by the approved device; the interlock-restricted license is issued on a court order
  • Program run by: Mississippi Department of Public Safety, on the court order

What the charge itself carries in Mississippi: a first offence, a second and when it becomes a felony — the fine, the jail exposure and how long the licence stays restricted.

Source: www.driverservicebureau.dps.ms.gov · checked 2026-08-23

Mississippi · 2020–2022

Why Mississippi asks for the device

Federal crash records are the backdrop to the rules on this page. Read the share with care though: it depends heavily on how often police obtain an alcohol test, and that varies enormously between states.

Fatal crashes with a drinking driver
358
of 2,026 in Mississippi
People killed in them
403
2020–2022
Drivers who got an alcohol test
10%
40% nationally

Source: NHTSA Fatality Analysis Reporting System, 2020–2022. Counts crashes where police recorded a drinking driver — narrower than the federal 0.08 BAC measure, so the real figure is higher. Why this number is easy to misread →

Providers

Provider networks operating in Mississippi

ProviderCertified centers in MS
Intoxalock46Details
Smart Start21Details
Low Cost Interlock17Details
LifeSafer6Details
Cities

Certified centers by city in Mississippi

Every city below has at least one center on file. Counts are unique physical locations — where two providers share a garage, we count the garage once.

CityCentersProviders
Columbus4Intoxalock, Low Cost Interlock, Smart Start
Jackson4Intoxalock, LifeSafer
Meridian3Intoxalock, LifeSafer
Tupelo3Intoxalock, Low Cost Interlock, Smart Start
Byram2Intoxalock, Smart Start
Corinth2Intoxalock, Low Cost Interlock, Smart Start
Gulfport2Intoxalock, Low Cost Interlock, Smart Start
Hattiesburg2Intoxalock, Low Cost Interlock, Smart Start
Mccomb2Low Cost Interlock, Smart Start
Philadelphia2Low Cost Interlock, Smart Start
Pontotoc2Intoxalock, LifeSafer, Smart Start
Ridgeland2Intoxalock, Smart Start
Waveland2Intoxalock, Low Cost Interlock, Smart Start
Ackerman1Intoxalock
Batesville1Intoxalock
Clarksdale1Intoxalock
Diberville1Intoxalock
Florence1Intoxalock
Flowood1Intoxalock
Forest1Intoxalock
Greenville1Intoxalock
Greenwood1Intoxalock
Hazlehurst1Intoxalock
Hernando1Intoxalock
Horn Lake1Low Cost Interlock, Smart Start
Kosciusko1Smart Start
Laurel1Intoxalock
Long Beach1LifeSafer
Mantachie1Intoxalock
Mathiston1LifeSafer

Every other Mississippi city with a certified center

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Questions

Interlock questions in Mississippi

Is an ignition interlock mandatory in Mississippi?

Mississippi treats the interlock as the way to keep driving at all. The license is seized at the stop and the paper receipt works as a permit for 30 days; after that an administrative suspension runs unless the court has ordered an interlock-restricted license instead. Refusing the chemical test suspends a Class R license for 90 days on its own, and a year if you have a prior. As for how long: set by the court order for an interlock-restricted license, which is what avoids the administrative suspension in the first place.

How much is an interlock device per month in Mississippi?

Mississippi does not publish provider prices — they are set by the approved provider, not by the state. Nationally, nHTSA puts installation at $70 to $90 and monitoring at about $70 a month, roughly $3 to $4 a day. The state publishes only its own charges: State ignition-interlock fee (paid when you collect the license) $175, Ignition-interlock-restricted driver license $56, Reinstatement to a regular license afterwards $175. A quote far above that is the provider's, not the state's.

What are the consequences of an interlock violation in Mississippi?

A recorded event is not automatically a violation, and that distinction decides most cases. Programs differ in what they count and how they count it: some add time per event, others ignore single events and act on a pattern, and several give you a written escape where a retest within five or ten minutes comes back clean. What is uniform is that the decision is made by Mississippi Department of Public Safety, on the court order from the vendor's report, not at the roadside. The mechanics, state by state and with the statute on each, are on our page about violations and lockouts.

How do I get the interlock restriction off my license in Mississippi?

Not at the workshop, and not on the date in your paperwork. The state releases you first and the device comes out last: you finish the term including anything added to it, sit a final data download at the service center, let Mississippi Department of Public Safety, on the court order review the record, take what it issues to a licensing office to lift the restriction, and only then book the removal. Most programs also require a clean window before any of that starts — 180 days in Washington, the last 30 in New Jersey, three months in Maryland.

What blood alcohol level will fail an interlock in Mississippi?

Mississippi does not fix the number in the statute itself — it is set by the certifying agency in the device standard, and in practice sits between 0.02% and 0.025% BAC. Either way it is far below the 0.08% driving limit, which is why one drink shortly before a test is enough to fail it: the device is testing whether you drank, not whether you are impaired.

Is there an alternative to an ignition interlock device in Mississippi?

Sometimes, and it is usually stricter rather than easier. The common substitute is continuous alcohol monitoring — a transdermal ankle bracelet that watches the person instead of the car, all day rather than at the ignition. North Carolina writes the trade directly into sentencing: 120 days of monitored abstinence can cut a 30-day minimum to ten, and 90 days can replace a seven-day term. The other alternative is not driving at all, which some states allow you to serve out instead, and which costs you the license for the whole period rather than the device.

Where can I get an ignition interlock device installed in Mississippi?

We index 67 certified installation points across 48 Mississippi cities, run by 4 approved providers, with the densest coverage in Columbus, Jackson, Meridian. Install with a provider the state approves rather than the nearest pin on the map: time on an unapproved device does not count toward the term.

All states →Mississippi DUI law and penalties →What the device costs in MississippiDUI lawyers in Mississippi

The class Mississippi requires →The insurance filing in Mississippi