Aphthous stomatitis can be one or a cluster of small pits or ulcers in the cheeks, gums, the inside of the lips, or on the tongue. Itâs more common in young people, most often between 10 and 19 years of age. Aphthous stomatitis is not caused by a virus and is not contagious.
If you prefer to reach the IRS via phone: Hours of Operation: Monday â Friday 7:00am â 10:00pm EST. If you believe you may have been the victim of identity theft: 1 (800) 908-4490. Hours of Operation: Monday â Friday 8:00am â 8:00pm EST.
Call the toll-free IRS telephone number for individuals if you are calling about a personal tax matter. This number is 1-800-829-1040. The business hours are between 7:00 a.m. and 7:00 p.m. in your local time zone. 2. Use the 1-800-829-3676 number for assistance completing your tax forms. This number is the quickest way to get in touch with a specialist trained to assist you in filling out your return forms. Business hours are 7:00 a.m to 7:00 p.m. local time, Monday through Friday.