More Information, Service Numbers, or to Order Duplicates
MFS Service Center, Inc.
For general information, call 1-800-225-2606 any business day between 8 a.m. and 7 p.m. ET.
To order duplicates
Beginning in early February, you can order duplicate tax forms anytime. Call 1-800-MFS-TALK (1-800-637-8255) from a touch-tone phone and select function 243 or say "order tax forms." If you do not have a touch-tone phone or if you need help using MFS TALK, call 1-800-225-2606 any business day from 8 a.m. to 7 p.m. ET.
Internal Revenue Service
For taxpayer assistance, call 1-800-TAX-1040 (1-800-829-1040).
Visit the IRS Web site at www.irs.gov for additional information.
For IRS publications, call 1-800-TAX-FORM (1-800-829-3676). Publication 910 lists all available publications.
Some other free IRS publications you might find helpful include Publication 17, Your Federal Income Tax (For Individuals); Publication 550, Investment Income and Expenses; Publication 551, Basis of Assets; Publication 564, Mutual Fund Distributions; and Publication 514, Foreign Tax Credit for Individuals.