What is the best car insurance company?

Choosing the best car insurance company depends on your circumstances and what matters most to you. Some drivers might prioritize finding an insurer that won’t penalize them too heavily for past incidents, while others barely drive and could save significantly with pay-per-mile or telematics programs. If you have a teen driver at home, you’ll likely want to look at companies offering decent student discounts, and homeowners might explore bundling options since they often bring decent savings. However, don’t just jump at the lowest quote you find. Take the time to compare several options, checking each company’s reputation for claims handling, customer service and coverage offerings. The goal is to find that sweet spot where price, service and coverage align with your needs.

Where should I keep my car insurance policy number?

State laws often require that proof of insurance is kept in your vehicle. Your proof of auto insurance should have your policy number printed on it. If you lose this, you can request a new copy from your insurer. In many states, drivers are required to carry proof of insurance, whether a paper copy or an electronic copy on their smartphone. This requirement is in addition to other minimum coverage requirements determined by each state.

Is it bad to share my car insurance policy number?

Whether or not you should share your car insurance policy number depends on the situation. After an accident, you are likely to share your policy number with the other driver unless you are the victim of a hit-and-run. You may be required to present your proof of insurance, which contains your policy number, to a law enforcement officer after an accident or traffic stop. Any drivers who are included on your policy should have access to the number, as well. You may also share your number with customer service or claim representatives of your insurance company when discussing your policy with them. As is true with most important numbers, however, you should only share your policy number with those who have a valid reason to have it due to the risk of identity theft or the possibility that someone could file a fraudulent claim using your number.

What should I do if I lose my policy number?

If you’ve lost your policy number, it is typically very easy to find it. If you have an online account or the mobile app on your phone, you can log in to retrieve your policy number. You can also contact your insurance agent or company to get it. Your policy number should also be located on your ID card, policy renewal documents and any insurance bills you receive in the mail.

Do different vehicles on my policy have different car insurance policy numbers?

Although this can vary by insurer and policy type, generally, multiple vehicles can be insured on the same policy. Depending on the company, you may have one policy number for multiple vehicles listed on the same policy, sometimes with a specific identifier for each vehicle under the same policy number.

What is a car insurance policy number?

Written by

Ashlyn Brooks,

Edited by

Lisa McArdle,

Reviewed by

Mark Friedlander,

Expert verified

Published on January 22, 2025 | 4 min read

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Driver sitting in their car with the window down, reviewing documents. The car is not in motion.

Think of your car insurance policy number as your coverage’s unique fingerprint. It’s the key that unlocks access to all your insurance details. This identifier does more than just exist on paper; it’s your gateway to claims processing after an accident and your instant verification when proof of insurance is needed. For both seasoned drivers and those just starting their journey on the road, understanding where to locate and how to use this number isn’t just helpful; it’s a fundamental part of managing your auto insurance and quickly accessing the protection you’ve invested in when you need it most.

What is a car insurance policy number?

At its core, a car insurance policy number serves as your gateway to coverage. Your personal identifier connects you directly with your specific insurance plan. Whether you’re dealing with the aftermath of a fender bender, encountering a routine traffic stop, or simply fine-tuning your coverage details, your car insurance policy number ensures your insurer can swiftly access and manage your information.

Typically appearing as a sequence of nine to 13 characters (usually a mix of numbers, though sometimes letters may be included), this identifier distinguishes your policy from the countless others your car insurance company manages.

While memorizing your policy number isn’t necessary, having quick access to it can prove invaluable in real-world situations. And should you ever misplace it? No need to worry. A brief conversation with your insurance agent or a quick login to your online account is usually all it takes to retrieve the number.

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When do you need your car insurance policy number?

Having your policy number readily available can make all the difference, whether you’re dealing with the stress of an accident or simply handling day-to-day insurance matters.

Below are some common moments when having your policy number on hand can help:

After an accident: In those unsettling moments following a collision, your policy number becomes a vital piece of information. You’ll need to exchange it with the other driver and possibly provide it for police reports, ensuring all parties can navigate the claims process smoothly.
During a traffic stop: Most states require drivers to carry proof of insurance, and your policy number is a fundamental part of that documentation. Having your insurance card (whether physical or digital) readily accessible can transform a potentially stressful traffic stop into a more straightforward interaction.
When contacting your insurer: Your policy number acts as your personal password for efficient service. It helps your insurer’s customer service and claim representatives quickly access your information, from filing claims to updating coverage or managing payments.
Adding or removing drivers or vehicles from your policy: Life changes often require policy updates, whether you’re adding a new teenage driver or upgrading to a different vehicle. Your policy number ensures these important modifications are accurately reflected on your account, preventing any coverage gaps or confusion.

Dealing with vehicle registration or renewals: Many states require proof of insurance during vehicle registration or renewal processes. Your policy number will help verify your compliance with state insurance requirements.

How to find your car insurance policy number

Your policy number is readily available in several places. Here’s where to track it down:

Check your insurance card: Pop open your glove box or wallet and grab your insurance card (assuming you keep a physical copy). The policy number is usually up near the top, noted by “Policy #” or “Policy ID.”
Review your bills: Your policy number appears on every bill and payment confirmation. Be mindful that sometimes a separate billing account number appears that looks similar but isn’t quite what you’re after.
Scan your declarations page: This is the detailed breakdown you got when you first bought your policy (and every time you renewed). You’ll spot your policy number up at the top of all the coverage details and dollar amounts.
Use the app or website: Most insurance companies have digital tools these days. Once logged in, your policy number should be on the main screen or tucked into your policy details.
Make a quick call: Drawing a blank? No problem. Your insurance agent or company’s customer service team can pull up your policy number in seconds. They’ll just need to verify that it’s really you first when you provide your birthdate, social security number or phone number.

How to find someone else’s car insurance policy number

Sometimes, you need another driver’s insurance details, and it’s not always as simple as exchanging information at the scene. While trading policy numbers after a fender bender is standard practice (and helps everyone’s claims process run smoothly), life doesn’t always work out that neatly. Maybe the other driver was hesitant to share their information, or perhaps those hastily scribbled details got lost in the shuffle of post-accident paperwork. Don’t worry — you’ve got options. Understanding how to track down this information can make the difference between a smooth claims process and unnecessary headaches down the road.

Here are a few ways to go about it:

File a police report: If you have a legal cause, like being the victim of a hit-and-run, you may file a police report and request to be informed of whether or not the vehicle was insured. This represents a valid reason because, in this case, the insurance of that vehicle may be liable for damages done to yours.
Contact the DMV: If you have a valid reason to know whether a car is insured, but it isn’t a police matter, you can sometimes get that information from the DMV. The DMV will want to know your reasons and will need as much information on the vehicle as you can provide. If you know the car’s VIN (vehicle identification number), the process may go much smoother. It’s important to note that access can vary by state and that the Driver Privacy Protection Act (DPPA) typically restricts access unless you can prove you were in an accident with the other driver.

Frequently asked questions

Choosing the best car insurance company depends on your circumstances and what matters most to you. Some drivers might prioritize finding an insurer that won’t penalize them too heavily for past incidents, while others barely drive and could save significantly with pay-per-mile or telematics programs. If you have a teen driver at home, you’ll likely want to look at companies offering decent student discounts, and homeowners might explore bundling options since they often bring decent savings.

However, don’t just jump at the lowest quote you find. Take the time to compare several options, checking each company’s reputation for claims handling, customer service and coverage offerings. The goal is to find that sweet spot where price, service and coverage align with your needs.
State laws often require that proof of insurance is kept in your vehicle. Your proof of auto insurance should have your policy number printed on it. If you lose this, you can request a new copy from your insurer. In many states, drivers are required to carry proof of insurance, whether a paper copy or an electronic copy on their smartphone. This requirement is in addition to other minimum coverage requirements determined by each state.
Whether or not you should share your car insurance policy number depends on the situation. After an accident, you are likely to share your policy number with the other driver unless you are the victim of a hit-and-run. You may be required to present your proof of insurance, which contains your policy number, to a law enforcement officer after an accident or traffic stop. Any drivers who are included on your policy should have access to the number, as well. You may also share your number with customer service or claim representatives of your insurance company when discussing your policy with them. As is true with most important numbers, however, you should only share your policy number with those who have a valid reason to have it due to the risk of identity theft or the possibility that someone could file a fraudulent claim using your number.
If you’ve lost your policy number, it is typically very easy to find it. If you have an online account or the mobile app on your phone, you can log in to retrieve your policy number. You can also contact your insurance agent or company to get it. Your policy number should also be located on your ID card, policy renewal documents and any insurance bills you receive in the mail.
Although this can vary by insurer and policy type, generally, multiple vehicles can be insured on the same policy. Depending on the company, you may have one policy number for multiple vehicles listed on the same policy, sometimes with a specific identifier for each vehicle under the same policy number.