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Informational
Bulletin

FY 2025-26
Month 2025

David Harris, Director

This bulletin is written to inform you of recent changes; it does not replace statutes, rules and regulations, or court decisions.

For information
Visit our website at:
tax.illinois.gov

Printable version available in:
English

Telecommunications Excise Tax Rate Change, Effective July 1, 2025

To: All persons who, in the ordinary course of business, provide telecommunications service

Effective July 1, 2025, the state Telecommunications Excise Tax rate increases from 7 percent to 8.65 percent. The increase is designated to support the state 9-8-8 Suicide and Crisis Lifeline. See 35 ILCS 630/3(c) and 4(c), as amended by P.A. 104-0006.

How can I verify the rate of Telecommunications Excise Tax for each municipality and county where I provide service?

To verify your telecommunications tax rates (i.e., state and local telecommunications taxes) go to the MyTax Illinois Tax Rate Finder at mytax.illinois.gov and select rates for July 2025.

If you file Form RT-2, Telecommunications Tax Return, electronically using MyTax Illinois at mytax.illinois.gov, the rates will be populated for you on Form RT-2-M, Telecommunications Tax Schedule, according to the locations you register. MyTax Illinois allows users to add or remove locations using the Maintain Locations link in your Telecommunications Excise Tax account. You also can contact us by calling 217 785-3707 or writing to:

CENTRAL REGISTRATION DIVISION
ILLINOIS DEPARTMENT OF REVENUE 
PO BOX 19030
SPRINGFIELD IL 62794-9030

It is important to keep your registration information updated so your returns will include the correct tax rates.

How do I file Form RT-2 and pay the tax due?

You can use MyTax Illinois to submit Form RT-2 and your payment electronically. Electronic filing options are also available through certain tax preparation services. Form RT-2 also is available on our website at tax.illinois.gov.

When is Form RT-2 due?

You must submit Form RT-2, along with your payment for any tax due, on or before the last day of the month following the reporting period.

Note: If the due date falls on a weekend or holiday, your return and payment are due the next business day.

Printed by authority of the State of Illinois — Electronic only, One copy