IRS Connecticut Customer Service Number, Internal Revenue Service Connecticut branch offices, addresses, customer service centers, locations, taxpayer centers, hours of operations, toll free helpline number, customer support number and email id with information like IRS application, inquiry, filing, payments, refunds, credits and deductions, help and resources, appointment information in Connecticut and their cities.

Taxpayers who are looking IRS Connecticut customer service phone number or toll free phone number of IRS Connecticut, and Internal Revenue Service Connecticut contact number, IRS Taxpayer Assistance Centers (TACs) in Connecticut, etc. So, as this page we are sharing all contact information of IRS Connecticut customer service department including Internal Revenue Service Connecticut customer service office address, telephone number, fax number and official web page link.

IRS Connecticut Customer Service Contact Details

Below, we are furnished the contact information of IRS Connecticut customer service help teams. You can also get the details of IRS Connecticut office address, important contact numbers and enquiry numbers. The customers who want to share their complaints, suggestions, feedback and reviews with the IRS (Internal Revenue Service) Connecticut can use the various contact modes we are sharing in this article below.

IRS Branch Offices and Taxpayer Assistance Centers (TACs) in Connecticut:

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IRS Bridgeport, Connecticut Office Location:
  • Address: 915 Lafayette Blvd., Bridgeport, CT 06604
  • Telephone Number: +1 (203) 384-5818
  • Days/Hours of Operations: Monday-Friday – 8:30 a.m.-4:30 p.m.
IRS Danbury, Connecticut Office Location:
  • Address: 131 West St., Danbury, CT 06810
  • Telephone Number: +1 (203) 840-4195
  • Days/Hours of Operations: Monday-Friday – 8:30 a.m.-4:30 p.m.
IRS Hartford, Connecticut Office Location:
  • Address: 135 High St., Hartford, CT 06103
  • Telephone Number: +1 (860) 756-4505
  • Days/Hours of Operations: Monday-Friday – 9:00 a.m.-4:30 p.m.
IRS New Haven, Connecticut Office Location:
  • Address: 150 Court St., New Haven, CT 06510
  • Telephone Number: +1 (203) 492-8609
  • Days/Hours of Operations: Monday-Friday – 8:30 a.m.-4:30 p.m.
IRS New London, Connecticut Office Location:
  • Address: Shaws Cove 2 Howard St., New London, CT 06320
  • Telephone Number: +1 (860) 439-7963
  • Days/Hours of Operations: Monday-Friday – 8:30 a.m.-4:30 p.m.
IRS Norwalk, Connecticut Office Location:
  • Address: 761 Main Ave., Norwalk, CT 06851
  • Telephone Number: +1 (203) 840-4195
  • Days/Hours of Operations: Monday-Friday – 8:30 a.m.-4:30 p.m.
IRS Waterbury, Connecticut Office Location:
  • Address: 14 Cottage Pl., Waterbury, CT 06702
  • Telephone Number: +1 (203) 596-4727
  • Days/Hours of Operations: Monday-Friday – 8:30 a.m.-4:30 p.m.


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Internal Revenue Service Connecticut e-help Desk Toll-Free Number:
  • 1-866-255-0654 (Within the United States)
  • 1-512-416-7750 (outside the United States)
  • e-help desk Hours of Operations: Monday thru Friday 6:30 AM – 6:00 PM Central Time
IRS Connecticut Customer Service Phone Number:
  • 1-800-829-1040 toll free for Individuals
  • 1-800-829-4933 toll free for Businesses
  • 1-877-829-5500 toll free for Exempt Organizations
  • 1-877-829-5500 toll free for Retirement Plan Administrators
  • 1-877-829-5500 toll free for Government Entities
  • 1-800-829-4059 TDD Toll-Free for people with hearing impairments
  • Hours of Operation: Monday – Friday, 7 a.m. – 7 p.m. your local time (Connecticut & Hawaii follow Pacific Time)

IRS Connecticut Customer Service Email ID: Click here


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IRS Corporate Headquarters Office Address:

Location: Internal Revenue Service Headquarters Building, 1111 Constitution Avenue, Northwest, Washington, District of Columbia, DC, United States


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Useful Links of IRS Connecticut Customer Service Support:

Click here for general help and support online

Click here to find local IRS Branch Offices

Click here to find Taxpayer Assistance Centers

Click here to get online Help and Resources

Click here to Contact your local Taxpayer Advocate

Click here to File Paper Tax Returns


If you are unable to connect with the IRS Connecticut customer service representatives, kindly you can contact to the your local customer service support by following the above mentioned IRS Connecticut customer service, local office address, telephone numbers, fax numbers, email ids and more. You can also contact to the offices located in your city or can visit the customer service office directly, send an email, and write a letter. For further details we recommend you to visit the official website of IRS.

IRS Official Website: