Useful Internal Revenue Services Phone Numbers
IRS Directory for Practitioners – Connecticut (Microsoft Excel document)
You may also find these directories to be helpful.
Toll-Free IRS Practitioner's Hotline: 866-860-4259
(Monday - Friday 7:30 a.m. to 5:30 p.m.)
Toll-Free Number for Cincinnati Service Center: 866-699-4083
(For taxpayer inquiries on status of Form 706 filings, including claims and amended returns, extensions, etc.)
