Illinois E-ZPass Customer Service helps drivers with toll accounts, payments, and transponder issues. The Illinois Tollway Authority runs the E-ZPass system in Illinois, also called I-PASS. Drivers can reach support by phone, online chat, email, or in person at customer service centers.
Illinois E-ZPass Phone Number
The main Illinois EZ-Pass phone number is 1-800-UC-IPASS (1-800-824-7277). This toll-free line connects drivers to the Illinois Tollway Authority customer service team. The phone line handles account questions, payment issues, and transponder replacement requests.
Phone support hours:
- Monday through Friday: 7:00 AM to 7:00 PM CT
- Saturday: 8:00 AM to 5:00 PM CT
- Sunday: Closed
Call early in the morning for shortest wait times. Lunch hours and late afternoons tend to have higher call volume.
Illinois Tollway Authority Contact Methods
The Illinois Tollway offers multiple ways to contact customer service beyond phone support.
Online Account Portal
The Illinois Tollway website at www.illinoistollway.com lets drivers manage accounts 24/7. Through the portal, users can:
- Check account balance
- View toll history
- Update payment methods
- Add or remove vehicles
- Pay missed tolls
- Download transaction records
Email Support
Drivers can submit questions through the contact form on the Illinois Tollway website. The form is located under the “Contact Us” section. Email responses typically arrive within 2-3 business days. Include your account number and transponder ID for faster service.
Live Chat
The Illinois Tollway live chat feature operates during business hours. Access it through the website by clicking the chat icon. Live chat works well for quick questions about balances, payment status, or account updates.
I-PASS Customer Service Account Help
I-PASS and EZ-Pass are the same system in Illinois. I-PASS is the original Illinois brand name. EZ Pass works across multiple states through interoperability agreements.
Account Issues
| Issue | Solution | Contact Method |
|---|---|---|
| Login problems | Reset password online or call for help | Phone or online portal |
| Payment failure | Update card information in account | Online portal or phone |
| Wrong charges | Dispute through account or call | Phone for disputes |
| Transponder not working | Check mounting, then request replacement | Phone or service center |
| Lost or stolen transponder | Report immediately to prevent charges | Phone required |
Login Problems
If you cannot log into your EZ-Pass Illinois account, try resetting your password first. The login page has a “Forgot Password” link. Enter your email address and follow the reset instructions. If the reset email does not arrive, check your spam folder. Call the EZPass Illinois phone number if login issues persist after a password reset.
Balance Inquiries
Check your account balance anytime through the online portal. The dashboard shows current balance and recent transactions. Phone agents can also provide balance information if you cannot access the website.
Pay Missed Toll Illinois
Paying a missed toll in Illinois is simple. The Illinois Tollway sends invoices for unpaid tolls within 30 days. Drivers have options to resolve unpaid tolls before they become violations.
Steps to Pay Missed Tolls
- Log into your EZPass account
- Locate the unpaid toll in your transaction history
- Click “Pay Now” on the unpaid toll
- Confirm payment method
- Save the confirmation receipt
Pay missed tolls quickly to avoid late fees. Illinois tollway late fees add up fast. The system charges additional fees for unpaid tolls that remain unresolved after the invoice due date.
Illinois Toll Invoice Payment
Pay toll invoices online through the Illinois Tollway website. Enter the invoice number and license plate information to look up charges. Payment methods include credit cards, debit cards, and bank transfers. Visit the official Illinois Tollway website at www.illinoistollway.com to pay invoices online.
E-ZPass Illinois Violation Dispute
Dispute a toll violation if you believe the charge is wrong. reasons for disputes include:
- Transponder malfunction
- Incorrect vehicle information on the account
- Duplicate charges
- Toll plaza errors
- Vehicle was sold or transferred
Submit disputes through the online portal or by phone. Include supporting documents like receipts, photos, or vehicle registration. The Illinois Tollway reviews disputes within 30 days.
Toll Violation Dispute Process
- Gather evidence (receipts, photos, account records)
- Call the EZPass Illinois phone number or submit online
- Provide account number and violation reference
- Explain the dispute clearly
- Wait for resolution (typically 2-4 weeks)
Illinois Toll Late Fee Waiver
Request a late fee waiver if you have a valid reason. waiver reasons include first-time violations, medical emergencies, or system errors. Call the Illinois Tollway Authority contact line to request waivers. Be polite and provide documentation when possible.
E-ZPass Illinois Transponder Replacement
Replace broken, lost, or stolen transponders quickly. A working transponder prevents toll violations and missed tolls.
Lost E-ZPass Illinois Replacement
Report lost transponders immediately by calling the EZPass Illinois phone number. The account gets flagged to prevent unauthorized charges. New transponders arrive by mail within 7-10 business days. A replacement fee may apply depending on the transponder type.
Transponder Activation Issues
New transponders need activation before use. Activate online through your account or call the support line. The transponder must be mounted correctly on the windshield for proper toll reading. Test the transponder after activation at a toll plaza.
Transponder Replacement Process
- Call the EZ Pass Illinois phone number
- Report the issue (lost, stolen, broken)
- Verify account information
- Request replacement transponder
- Receive transponder by mail within 7-10 days
- Activate and mount the new transponder
Illinois Tollway Customer Service Centers
Visit customer service centers for in-person help. Centers are located at Illinois Tollway oases along major routes.
| Location | Address | Hours |
|---|---|---|
| O’Hare Oasis | 10279 W. Higgins Road, Rosemont, IL | Mon-Fri: 7 AM-6 PM, Sat: 8 AM-1 PM |
| Lake Forest Oasis | 13783 W. Oasis Service Road, Lake Forest, IL | Mon-Fri: 7 AM-6 PM, Sat: 8 AM-1 PM |
| Chicago Southland Lincoln Oasis | 700 E. Tri-State Tollway, South Holland, IL | Mon-Fri: 7 AM-6 PM, Sat: 8 AM-1 PM |
| DeKalb Oasis | DeKalb, IL | Mon-Fri: 7 AM-6 PM, Sat: 8 AM-1 PM |
| Belvidere Oasis | Belvidere, IL | Mon-Fri: 7 AM-6 PM, Sat: 8 AM-1 PM |
Services at customer service centers:
- New account setup
- Transponder replacement
- Violation payment
- Account modifications
- Dispute submission
Bring a valid photo ID and account number when visiting a center.
E-ZPass Illinois App Support
The Illinois Tollway app provides mobile account access. Download the app from the Apple App Store or Google Play Store. The app allows users to check balances, view toll history, and update payment methods.
App support questions can be directed to the main EZPass Illinois phone number. The app connects to the same account system as the website.
Illinois Toll Payment Plan
Illinois offers payment plans for drivers with multiple unpaid tolls. Payment plans spread the cost over several months. Contact the Illinois Tollway Authority to set up a payment plan.
Payment Plan Requirements
- Account in good standing before violations occurred
- Valid payment method on file
- Agreement to automatic payments
- Completion of payment plan application
Payment plans help avoid additional collection actions. Call the support line to learn about current payment plan options.
E-ZPass Illinois Refund Request
Request a refund for overcharges or account closures. The Illinois Tollway processes refunds for:
- Overcharged tolls
- Closed accounts with remaining balance
- Disputed charges resolved in customer favor
Submit refund requests through the online portal or by phone. Include account details and explanation of the refund reason. Refunds typically process within 4-6 weeks.
I-PASS vs E-ZPass Illinois
I-PASS and EZ Pass are the same system in Illinois. I-PASS was the original name. In 2026, Illinois joined the E-ZPass network for interoperability. Now E-ZPass transponders from other states work on Illinois tollways, and I-PASS transponders work in other EZPass states.
From a customer service perspective, both names refer to the same support system. Use the same phone number and website for either type of transponder.
Illinois Tollway Mailing Address
Mail correspondence, payments, and documents to:
Illinois Tollway
2700 Ogden Avenue
Downers Grove, IL 60515
Include account numbers on all mailed documents for faster processing.
Contact Information Summary
Phone: 1-800-UC-IPASS (1-800-824-7277)
Hours: Monday-Friday 7 AM-7 PM, Saturday 8 AM-5 PM CT
Website: www.illinoistollway.com
Mail: 2700 Ogden Avenue, Downers Grove, IL 60515
Frequently Asked Questions
These answers address common questions about Illinois EZ-Pass customer service. The FAQ section covers account management, payment issues, and transponder support based on typical user concerns.
What is the Illinois E-ZPass phone number?
The Illinois E-ZPass phone number is 1-800-UC-IPASS (1-800-824-7277). This toll-free line connects to the Illinois Tollway customer service team. Phone support is available Monday through Friday from 7:00 AM to 7:00 PM CT and Saturday from 8:00 AM to 5:00 PM CT. The phone line handles account inquiries, payment issues, transponder replacements, and violation disputes. Sunday support is not available. Call early in the morning for shorter wait times.
How do I pay a missed toll in Illinois?
Pay missed tolls through the Illinois Tollway website at www.illinoistollway.com. Log into your account, locate the unpaid toll in transaction history, and click “Pay Now.” You can also pay by calling the E-ZPass Illinois phone number. Payment methods include credit cards, debit cards, and bank transfers. Pay missed tolls quickly to avoid late fees and potential violations. Unpaid tolls escalate to violations after 30 days with additional fees.
How do I dispute a toll violation in Illinois?
Dispute toll violations by calling the E-ZPass Illinois phone number or submitting through the online portal. Provide your account number, violation reference number, and a clear explanation of why the charge is incorrect. Include supporting documentation such as receipts, photos, or vehicle registration records. The Illinois Tollway reviews disputes within 30 days. dispute reasons include transponder malfunction, duplicate charges, and incorrect vehicle information.
What should I do if my E-ZPass transponder is lost or stolen?
Report lost or stolen transponders immediately by calling 1-800-UC-IPASS. The Illinois Tollway will flag your account to prevent unauthorized charges. A replacement transponder will be mailed within 7-10 business days. A replacement fee may apply depending on your transponder type. Continue paying tolls through other means until the replacement arrives. Activate the new transponder through your online account once received.
Can I get a late fee waiver on Illinois toll violations?
Yes, request a late fee waiver by calling the Illinois Tollway customer service line. Valid reasons for waivers include first-time violations, medical emergencies, system errors, or documented account issues. Provide supporting documentation when possible. Be polite and explain your situation clearly. The Illinois Tollway evaluates waiver requests on a case-by-case basis. First-time offenders often receive waivers as a courtesy.
How do I replace a broken E-ZPass transponder?
Call the EZ Pass Illinois phone number at 1-800-UC-IPASS to request a replacement for broken transponders. The support team will verify your account and mail a new transponder. Defective transponders under warranty get free replacements. New transponders arrive within 7-10 business days. Activate the replacement through your online account before mounting it on your windshield. Test the transponder at a toll plaza after activation.
What is the difference between I-PASS and E-ZPass in Illinois?
I-PASS and EZPass are the same electronic toll collection system in Illinois. I-PASS was the original Illinois brand name. Illinois joined the EZPass network in 2026, allowing interoperability with other states. E-ZPass transponders from other states work on Illinois tollways, and I-PASS transponders work in other E-ZPass states. Both names refer to the same customer service system. Use the same phone number and website for either transponder type.