800-829-1040 Phone number to contact IRS. Customer service line is 800-829-1040. View solution in original post. 0. 758. Reply.
Customer service and human help. Your name, address, social security number and phone number. Refund, or it will send you to an automated phone line. At this point, the irs will send your employer a letter on your behalf. The internal revenue service (irs) administers and enforces u.s. The dates you worked for the employer.
866-464-2050 You can check the status of your Form 1040-X, Amended U.S. Individual Income Tax Return using the Where's My Amended Return? online tool or by calling the toll-free telephone number 866-464-2050 three weeks after you file your amended return.