About Aphthous Ulcer: These small sensitive painful craters in the mouth are common canker sores. There are many possible causes of apthous ulcers and frequently the cause is unknown. See also: sub-topics
The IRS phone number for individuals is (800) 829-1040. Businesses can call (800) 829-4933. Hearing impaired individuals can contact the IRS using TDD at (800) 829-4059. Operating hours are between 7 a.m. and 10 p.m. in your local time zone. After hours, a recording will direct you. Have all your paperwork in front of you when you call.
Bangor and Presque Isle IRS offices temporarily change hours. Posted May 30, 2014, at 11:12 a.m. BANGOR and PRESQUE ISLE, Maine â The IRS Taxpayer Assistance Centers at 202 Harlow St., Bangor, and 36 North St., Presque Isle, will have reduced hours over the next couple of weeks. Taxpayers are encouraged to check the days and hours of service at IRS.gov. In Bangor, normal hours are 8:30 a.m.-4:30 p.m. Monday-Friday, with the office closed for lunch 11:30 a.m.-12:30 p.m. The office will be closed May 30, and June 5, 6, 12 and 13.