Contact 1st Security Bank

24-Hour Self-Service Telephone Banking:

Telephone Banking Cheat Sheet (PDF)

(800) 433-0888

By Phone:

(800) 683-0973

Monday - Friday: 9:00am - 5:00pm PT

Contact your local branch

Business Customers:
Dealer Center (dealer use only):
(877) 372-4249
(800) 399-6836
Call us 24/7 for Lost or Stolen Debit or Credit Card Assistance:
(800) 683-0973

By Email:


Customer? Sign on to Online Banking to send us email via secure messaging.
Not a customer yet? Email us with general questions.

By Mail:

1st Security Bank
PO Box 97000
Lynnwood, WA, 98046-9700
Administrative Center
6920 220th Street SW
Mountlake Terrace, WA 98043
Loan Services
PO Box 97000
Lynnwood, WA, 98046-9700

Loan Customers:

Subordination Requests
If you are requesting subordination on one of our loans, please click here.
Create an Automatic Recurring Loan Payment:
Access your loan balance, history, and payment information via: Online Banking, or 24-Hour Telephone Banking
or call (800) 683-0973


Credit Bureaus:
Equifax: (800) 525-6285
Experian: (888) 397-3742
TransUnion: (800) 680-7289
Check Services:
Harland Customer Service: (800) 427-5263
Harland Business Support: (877) 275-4427
Anchor Bank Credit Cards:
Anchor Bank Card Login and Manage: HERE
►Customer Svc/Lost or stolen Anchor Bank Credit Card:
(855) 553-0933
►Lost or stolen Anchor Bank Credit Card - International:
+1 (540) 707-4021

Contact Form - 1st Security Bank

NOTE: Please use this form to submit general inquiries only. Do not send personal information like your account, credit card or social security numbers in email. Log into online banking to send us a message if your request contains the following information:

Do Not Send via this form

  • Travel Dates
  • Debit or credit card numbers
  • Social security numbers
  • Account numbers
  • Changes to personal information

Thank you and we look forward to serving you!

Name *
Do not send personal information like your account, credit card, or social security numbers via this form.