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Northwestern Mutual Investment Services

Subsidiary of The Northwestern Mutual Life Insurance Company

northwesternmutual.com/investments

Estate planning and settlement at Northwestern Mutual Investment Services

Name beneficiaries by phone, fund a trust in branch, and report a death at 1-866-950-4644

Northwestern Mutual Investment Services offers 13 consumer investment accounts that interact with estate planning in distinct ways. Of those, 3 can name a trust as beneficiary or be retitled into a trust. Understanding the transfer methods available for each account type helps families keep assets out of probate and ensure they pass to the right people.

At Northwestern Mutual Investment Services, beneficiary designations are managed by phone. Accounts can also be retitled into a trust to keep them out of probate entirely.

Northwestern Mutual Investment Services has documented procedures for both preparing accounts during your lifetime and handling claims when an account holder passes away.

SimplyTrustSimplyTrust Editorial·

Sources

Data sourced from Northwestern Mutual Investment Services primary sources (19 pages reviewed). How we research.

Northwestern Mutual Investment Services customer support

Customer Service Center (Investment Client Services for investment products)

NMIS Online help desk (forgotten user ID or password)

1-866-664-7737 (option 3)7:30am-5:00pm CST

Corporate headquarters

Hours

Monday-Friday 7:00 AM-6:00 PM CT

Mailing address

Correspondence other than investment checks: Northwestern Mutual, P.O. Box 2958, Milwaukee, WI 53201. Investment checks (include the Pershing account number on the face of each check): non-retirement, regular mail: Pershing LLC, P.O. Box 382121, Pittsburgh, PA 15250-8121; rollover/IRA contribution, regular mail: Pershing LLC, P.O. Box 382084, Pittsburgh, PA 15250-8084.
Verified Sep 2026

Estate planning articles

Learn how to protect your Northwestern Mutual Investment Services accounts and other assets with trusts, beneficiary designations, and estate planning documents.

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