Give us a call

MFS Automated Information

1-800-MFS-TALK (1-800-637-8255)

MFS Account Service, Product Information and Literature

1-800-225-2606

MFS Retirement Plan Services

1-800-637-1255

MFS 529 Savings Plan

1-888-529-0063

MFS closed-end fund information

1-800-637-2304

MFS Annuity Services

1-877-253-2323

Outside the U.S.

1-617-954-5000

Reach us by mail

Mailing address

MFS Service Center, Inc.

PO Box 219341

Kansas City, MO 64121-9341

Overnight mail

MFS Service Center, Inc.

Suite 219341

801 Pennsylvania Ave

Kansas City, MO 64105-1307

MFS 529 Savings Plan - Regular Mail

MFS 529 Savings Plan

PO Box 534454

Pittsburgh, PA 15253-4454

MFS 529 Savings Plan - Overnight Mail

MFS 529 Savings Plan

Attention: 534454

500 Ross Street, 154-0520

Pittsburgh, PA 15262