The overcharge should trigger a process to refund you the excess payment, but you should also check with the IRS just in case.
Customer service representatives are available Monday through Friday, 7 a.m. to 7 p.m. local time, unless otherwise noted. Residents of Alaska and Hawaii follow Pacific time. Puerto Rico phone lines are open 8 a.m. to 8 p.m. local time.
For Individuals:
800-829-1040
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