Contact Us

Routing Number: 2560-7534-2 | Swift Number: SDFCUS33

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24-Hour Member Services

703-706-5000 or 800-296-8882
TTY/TTD: 703-739-3099

View more phone numbers

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General Mailing Address

 State Department Federal Credit Union
1630 King Street
Alexandria, Virginia 22313-2029

View more mailing addresses


SDFCU Branches are open Monday-Friday, 8:30 am - 4:00 pm ET. Members also have access to CO-OP Network Shared Branch locations and free shared ATMs. 

Branch Locations     Make a Branch Appointment


Phone Numbers

Phone Banking (Account24)

Available 24 Hours
703-706-5172 (direct)

Card Services

Available 24 Hours

For international Toll Free
View VISA Global Assistance Phone Numbers 

Credit or Debit Card PIN Change


Lost or Stolen Credit/Debit Card

or contact Visa directly at: 800-VISA-911

Flexpoints Rewards Program


Consumer and Home Equity Lending Department

8:30 AM - 4:30 PM ET Monday-Friday 
703-706-5116 (direct)

Member Solutions (Collections)

8:00 AM - 4:30 PM ET Monday-Friday
703-706-5100 (direct)

Loan Servicing

For help with existing mortgages:
8:30 AM - 4:30 PM ET Monday-Friday
703-706-5241 (direct)


For help with new mortgages:
8:30 AM - 4:30 PM ET Monday-Friday
703-739-3092 (Direct)

Mailing Addresses

Deposits and Loan Payments

State Department Federal Credit Union
P.O. Box 1430
Alexandria, Virginia  22313-1430

Credit Card Payment Processing Department (Overnight)

560 Carillon Parkway
St. Petersburg, Florida  33716

Credit Card Payments

P.O. Box 37603
Philadelphia, Pennsylvania  19101-0603


View information for other ways to make payments.

Credit Card General Correspondence

State Department Federal Credit Union
P.O. Box 1429
Alexandria, Virginia  22313-2029

Supervisory Committee

State Department Federal Credit Union
Supervisory Committee
P.O. Box 1741
Alexandria, Virginia  22313-1741

Email Addresses

Personal, Vehicle or Credit Card Inquiries and Applications 

New Mortgages Inquiries and Applications 

Loan Servicing (for help with existing Mortgages)

New Accounts and Membership Applications 

Outgoing Wires

Online Banking and Bill Pay

Home Equity Inquiries and Applications 

IRA Information

Member Services and General Correspondence

Member Solutions (Collections) and Delinquency Inquiries

Human Resources 

Senior Management Team 

Board of Directors 

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