Condition Description. Truncus arteriosus is an uncommon congenital heart defect where a baby is born with a single blood vessel (called a truncus) coming from the main pumping chambers of the heart (the ventricles) instead of two vessels (one from each ventricle).ondition Description. Truncus arteriosus is an uncommon congenital heart defect where a baby is born with a single blood vessel (called a truncus) coming from the main pumping chambers of the heart (the ventricles) instead of two vessels (one from each ventricle).
IRS Office Customer Service Phone Number Phone Number: 1 (800) 829-1040. Shortcut: N/A - Edit
IRS Phone Numbers For Various Taxpayers and Reasons. Individual Taxpayer IRS Phone Numberâ 1-800-829-1040 â This number is for individual taxpayers to have their questions answered living in the US including the US Virgin Islands and Puerto Rico. Use for example, for tax return procedures questions, to ask about a notice you received, to request an IRS Installment Agreement, to request a lost W-2 etc.