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Contact Us

We're here for you 24 hours a day, seven days a week to assist with questions, inquiries, or concerns.


Routing Number: 314088637

Member Contact Center

Our Member Contact Center is open 24 hours a day, seven days a week. We're here to help!
Se habla Español.  

  • Nationwide - 1.888.415.7878 (Toll-Free)
  • San Antonio, TX - 210.476.4000
  • Canada - 1.888.415.7878 (Toll-free)
  • Germany - 0800.810.1000 (Toll-free)
  • United Kingdom - 0.800.89.1650 (Toll-free)
  • Japan - (Toll-free)
  • Korea - 00798.11.899.0829 (Toll-free)  
  • Fax - 210.444.3000

Automated CallPlus (Telephone Banking)

Get automated information on your accounts, open new accounts, and more with CallPlus.

  • Toll-Free Nationwide - 1.800.527.7328
  • San Antonio, TX - 210.357.9000
  • Colorado -  719.534.9100
  • Toll-Free Canada -  1.800.527.7328

Dedicated Support

Secure Messaging

Our Secure Messaging channel is one of the safest & fastest ways to communicate with us.
Log in to myBranch to send a secure message.

Debit Card Activation & PIN Changes

  • To activate your Debit Card and set your PIN, call 1.844.424.0449
  • To change your PIN on an active Debit Card, call 1.888.434.8444

ATM Card Activation & PIN Changes

  • To activate your ATM Card and set your PIN, call 1.800.553.8315
  • To change your PIN on an active ATM Card, call 1.800.553.8315


For general inquiries, including questions about your account(s), transactions, payments, etc., please email

For inquiries to executive management, email

Note: Never include your account number or other sensitive information when contacting us via email. To discuss specific transactions or other topics requiring an exchange of sensitive information, please log into myBranch Online Banking and send us a secure message.

If you are unsatisfied with the response you receive from executive management, please send your comments in writing to: Supervisory Committee P.O. Box 691590, San Antonio, TX 78269 or via email:

  1. Important: When emailing, never include your account number, sensitive, or personal information. Email is not a secure channel and for your security, we will not release sensitive information via email. For transactions or inquiries requiring the exchange of sensitive information, please call our 24/7 Call Center or send us a secure message within myBranch Online Banking (formerly known as CompuBranch).

Mailing Addresses

Security Service Corporate Headquarters
15000 IH 10 West
San Antonio, TX 78249

General Mail
P.O. Box 691510
San Antonio, TX 78269-1510

P.O. Box 691530
San Antonio, TX 78269-1530

Security Service Insurance
P.O. Box 691586
San Antonio, TX 78269

Electronic Services
P.O. Box 691550
San Antonio, TX 78269-1550

Overnight Mail
15000 IH 10 West
San Antonio, TX 78249

Risk Management
P.O. Box 691570
San Antonio, TX 78269-1570


P.O. Box 792510
San Antonio, TX 78279

Mortgage Payments Regular Mail
P.O. Box 11733
Newark, NJ 07101-4733

Mortgage Payments Overnight Mail
Overnight Mail Security Service
Attn: Cash Management
425 Phillips Blvd.
Ewing, NJ 08618

Security Service Investment Group
15000 IH 10 West
San Antonio, TX 78249

Commercial Services 
15000 IH 10 West 
San Antonio, TX 78249