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Taxpayer Information Lines | Illinois Department of Revenue - Taxpayer Assistance

Eligibility

Anyone in need of taxpayer assistance.

Hours

Representatives available Monday through Friday, 8 a.m. to 5 p.m. Automated telephone system provides a variety of tax information 24/7
800-732-8866
Voice·

Hotline

217-782-3336
Voice·

Back-Up Number

Languages

English, Spanish, and interpretation services available for additional languages

Application process

Please call.

Fees

None

Service area

Cass County, IL Coles County, IL Effingham County, IL Peoria County, IL Elwood, IL Macon County, IL Morgan County, IL Rock Island County, IL Monroe County, IL Perry County, IL Homer Glen, IL White County, IL Clay County, IL Edwards County, IL Lee County, IL Grundy County, IL Moultrie County, IL Vermilion County, IL Shelby County, IL Peotone, IL Joliet, IL Monee, IL Saint Clair County, IL Naperville, IL Mercer County, IL Armington, IL Brown County, IL Minier, IL Pope County, IL Douglas County, IL Dewitt County, IL Jackson County, IL La Salle County, IL Marion County, IL Plainfield, IL Adams County, IL Delavan, IL Channahon, IL Ogle County, IL New Lenox, IL Cook County, IL Warren County, IL Herscher, IL Champaign County, IL Mason County, IL Pike County, IL Bradley, IL Henry County, IL Jasper County, IL Woodford County, IL Menard County, IL Putnam County, IL Mackinaw, IL Logan County, IL Beecher, IL Frankfort, IL Wilmington, IL Fulton County, IL Iroquois County, IL Jersey County, IL Hopedale, IL Winnebago County, IL Bolingbrook, IL Calhoun County, IL Lake County, IL Union County, IL Kane County, IL Macoupin County, IL Washington, IL Ford County, IL Manteno, IL South Pekin, IL Henderson County, IL Union Hill, IL Momence, IL Green Valley, IL Mokena, IL Shorewood, IL Lawrence County, IL Madison County, IL Piatt County, IL Randolph County, IL Aroma Park, IL Lockport, IL Franklin County, IL Massac County, IL Whiteside County, IL Bourbonnais, IL Saint Anne, IL Deer Creek, IL Richland County, IL Bonfield, IL Morton, IL Gallatin County, IL Jo Daviess County, IL Marshall County, IL Schuyler County, IL Groveland, IL Greene County, IL Pekin, IL Creve Coeur, IL Johnson County, IL Essex, IL Hamilton County, IL Montgomery County, IL Stark County, IL Grant Park, IL Boone County, IL Buckingham, IL Knox County, IL Mclean County, IL Dekalb County, IL Carroll County, IL Alexander County, IL Bond County, IL Bureau County, IL Mchenry County, IL Cumberland County, IL Fayette County, IL Williamson County, IL Mcdonough County, IL Jefferson County, IL Kendall County, IL Stephenson County, IL Crete, IL Hopkins Park, IL Clinton County, IL Hardin County, IL Livingston County, IL Saline County, IL Tremont, IL Manhattan, IL Crawford County, IL Wabash County, IL Wayne County, IL Crest Hill, IL Sangamon County, IL Braidwood, IL Hancock County, IL Kankakee, IL Clark County, IL Pulaski County, IL Scott County, IL 61611, IL Christian County, IL Washington County, IL Romeoville, IL Dupage County, IL Edgar County, IL Reddick, IL
Illinois Department of Revenue representatives are available to answer Illinois tax questions during the week, and an automated system is available 24/7 for inquiries such as--
  • your refund status
-information about a notice or bill -checking your estimated payments -your Personal Identification Number (IL-PIN)

Last Assured

11/25/2025

Providing organization

Illinois Department of Revenue Taxpayer Assistance
Illinois Department of Revenue representatives are available to answer Illinois tax questions during the week, and an automated system is available 24/7 for inquiries such as--
  • your refund status
-information about a notice or bill -checking your estimated payments -your Personal Identification Number (IL-PIN)