(209) 476-7501 - ext. (Local Office)
(844) 545-5640 - ext. (Appointment Phone Number)
(800) 829-1040 - ext. (Live Telephone Assistance)

http://www.irs.gov

None

Vary; depends on individual income.

Internal Revenue Service (IRS) is the United States government agency responsible for the collection of federal taxes and enforcing tax laws. Information is available on the website.

Monday through Friday 8:30 a.m. to 4:30 p.m.