Where to buy an E-ZPass transponder

You can buy an E-ZPass transponder from the E-ZPass customer service center in your state, from certain retail locations, or online through your state's E-ZPass website. The transponder itself is the small electronic device that mounts on your windshield and communicates with toll readers as you drive through tolled roads and bridges.

Each state that uses E-ZPass runs its own customer service operation, so where you buy depends on which state's system you need. For example, New York E-ZPass customers can purchase at service centers in Albany, Buffalo, and New York City, or order online. New Jersey customers can buy at service plazas along the New Jersey Turnpike and Garden State Parkway, or through their website. Pennsylvania, Massachusetts, Connecticut, Delaware, and other E-ZPass states each have their own retail and online options.

Many states also sell transponders at supermarkets, gas stations, and convenience stores — usually near the customer service desk. Call your state's E-ZPass customer service line or check their website to find the nearest location that stocks them, since inventory varies by retailer.

Key Takeaways

  • E-ZPass transponders are sold by your state's E-ZPass authority, at service plazas, retail partners, and online through your state's official website.
  • The transponder cost ranges from about $25 to $40 depending on your state, and you set up a prepaid account or linked bank account to fund tolls.
  • You must set up the transponder and link it to a vehicle before it will work at toll readers.
  • Each state's E-ZPass system is separate, so a transponder from one state may not work in another state's tolled facilities without additional registration.

What the transponder costs and what's included

The transponder itself costs between $25 and $40 in most E-ZPass states, though the exact price varies. Some states charge less for a replacement if you already have an account; others charge the same price each time. When you buy the transponder, you are also opening an account with that state's E-ZPass authority, which means you will need to fund it with money to pay tolls.

Most states require a minimum opening balance — typically $25 to $50 — which goes into your account when ready. This is separate from the transponder purchase price. For example, if New York charges $35 for the transponder and requires a $25 minimum balance, your total first purchase is $60. That $25 balance then sits in your account and is drawn down as you use tolled roads.

Some states offer discounts on tolls if you use E-ZPass instead of paying cash at a toll booth. These discounts vary widely — some states offer 10 to 15 percent off, while others offer less. Check your state's website to see what discount applies, since it affects how quickly your account balance depletes.

How to set up and register your transponder

After you buy the transponder, you must set up it and register it to a specific vehicle before it will work. Most states require you to do this online through their E-ZPass website, though some allow phone registration. You will need your transponder's serial number (printed on the device or on your receipt), your vehicle's license plate number, and the vehicle identification number (VIN).

The set up process usually takes a few minutes online. You enter your vehicle information, confirm the transponder serial number, and agree to the terms of service. Some states send you a confirmation email when ready; others take a day or two to process. Do not mount the transponder on your windshield until you receive confirmation that it is active, because toll readers will not recognize an unactivated device.

If you buy the transponder in person at a service center, staff may set up it for you on the spot. Ask when you purchase whether set up is included or whether you need to do it yourself at home.

Mounting the transponder on your windshield

Once your transponder is activated, mount it on the inside of your windshield, usually on the driver's side near the top. The transponder comes with adhesive strips or a mounting bracket. Clean the windshield with rubbing alcohol first so the adhesive sticks properly, then press the transponder firmly in place and let it set for at least an hour before driving through a toll.

Position it where it has a clear line of sight to the toll reader overhead — avoid placing it behind the rearview mirror or in a spot blocked by sun shades or tinting. If the transponder cannot communicate with the reader, tolls may not be deducted from your account, and you could receive a violation notice instead.

Some newer vehicles have a built-in E-ZPass slot behind the rearview mirror. If yours does, check your owner's manual for instructions on inserting the transponder there instead of mounting it on the glass.

Using your transponder across state lines

E-ZPass transponders work across state lines in most cases, but only if your account is registered with a state that participates in the interagency agreement. The E-ZPass network includes New York, New Jersey, Pennsylvania, Connecticut, Delaware, Maryland, Massachusetts, Maine, New Hampshire, Ohio, Indiana, Illinois, and Virginia. If you have an account with any of these states, your transponder will work at tolled facilities in all the others.

However, you still pay tolls through your home state's account. If you live in New York and drive through a Pennsylvania toll, the toll is deducted from your New York E-ZPass account. You do not need to register separately in Pennsylvania or any other state you pass through.

If you travel frequently to a state where you do not have an account, you can open a second E-ZPass account in that state and carry two transponders. Some people do this to take advantage of state-specific discounts or to keep accounts separate for business and personal use.

Funding your account and monitoring your balance

You fund your E-ZPass account by adding money online, by phone, or in person at a service center. Most states allow you to set up automatic replenishment, which adds a set amount (usually $25 to $100) to your account whenever the balance drops below a threshold you choose. This is the easiest method because you do not have to remember to add money manually.

You can check your balance and transaction history anytime through your state's E-ZPass website or mobile app. Most states send you an email or text alert when your balance is low, which gives you time to add money before it runs out. If your balance reaches zero while you are driving through a toll, you will receive a violation notice in the mail and will be charged a penalty fee on top of the toll amount.

Keep your account information current, especially your mailing address and email, so you receive alerts and notices. If you move to a different state, you may need to update your address or close your account and open a new one in your new state, depending on the rules.

What to do if your transponder stops working

If your transponder is not being read at tolls, first check that it is mounted correctly with a clear line of sight to the overhead reader. Clean the windshield around it and make sure nothing is blocking it. Then check your account balance online — if it is zero, add money and try again at the next toll.

If the balance is fine and the transponder is mounted correctly, contact your state's E-ZPass customer service. They can check whether the transponder is still active and registered to your vehicle. If the device is damaged or no longer communicating, they can send you a replacement, usually for a fee of $5 to $15. Some states replace the first failed transponder free; others charge every time.

While waiting for a replacement, you can pay tolls manually at toll booths using cash or a credit card. This is slower but prevents violation notices from piling up.

Frequently Asked Questions

Can I use the same transponder in multiple vehicles?

No. Each transponder is registered to one vehicle's license plate and VIN. If you own multiple vehicles and want to use E-ZPass in all of them, you need to buy a separate transponder for each one and register each to its own vehicle. You can link all the transponders to the same account so they draw from the same balance.

What happens if I move to a different state?

If you move to another E-ZPass state, your existing transponder will continue to work there because the states share the same network. You do not need to buy a new one. However, you may want to transfer your account to your new state's E-ZPass authority to take advantage of any state-specific discounts or to keep your address current for notices.

Do I have to use E-ZPass, or can I pay tolls another way?

You can always pay tolls manually at toll booths using cash or a credit card. E-ZPass is optional, not required. However, most states charge a higher toll rate for manual payment than for E-ZPass, so using the transponder usually saves money over time.

What if I lose my transponder?

Contact your state's E-ZPass customer service and report it lost. They will deactivate the old transponder so it cannot be used by someone else. You can then buy a replacement transponder and register it to your account. The replacement fee is typically $5 to $15, depending on your state.

Can I get a refund if I no longer need E-ZPass?

Most states allow you to close your account and receive a refund of any remaining balance. Contact customer service to request closure. Some states may charge a small account closure fee, and the refund process can take several weeks. Check your state's policy before closing to understand what you will receive back.