For questions regarding existing accounts, please contact your local banking office for assistance, or our Customer Service team: Monday-Friday: 6:00 am – 6:00 pm Email Customer Service
Treasury Management Services
For questions or assistance with Treasury Management services, please contact our support team directly:
Monday - Friday: 6:00 am - 6:00 pm Email Treasury Management Support
Business Online Banking
For questions or assistance with Business Online Banking, including trouble accessing your account or to sign up for Online Banking, please contact our support team directly:
Monday - Friday: 6:00 am – 6:00 pm; Saturday: 8:00 am – 2:00 pm Email Business Online Support
Personal Online Banking
For questions or assistance with Personal Online Banking, including trouble accessing your account or to sign up for Online Banking, please contact our support team directly:
Monday - Friday: 6:00 am – 6:00 pm; Saturday: 8:00 am – 2:00 pm Email Personal Online Support
24-hour customer support: (866) 839-3409
Report a Lost or Stolen credit card: (866) 604-0381
ATM/Debit Card Activation & Change PIN: (866) 392-9952
Lost or Stolen ATM/Debit Card: (800) 236-2442
Additional Contact Information
Our team of banking professionals knows what it takes to start, grow and maintain a thriving business in Arizona. Let us help you connect with a banker who can provide answers or assistance to get you started with the right business banking product or service.
Have feedback or a concern regarding one of our products, services or a recent experience with one of our bankers or banking offices? We strive to consistently provide our customers with the highest level of service and value your feedback. Please click here to submit your feedback and help us continue to evolve and improve.
If you are a California resident and would like to request access to or deletion of your personal information, or to exercise any other data rights under California law, please call (888) 995-2265 Monday - Friday: 6:00 am – 6:00 pm.
To report any suspicious or potentially fraudulent activity by bank employees or customers, please click here to submit a form electronically or via U.S. mail.
Report Unethical or Illegal Behavior
In line with our commitment to accountability, we have a companywide whistleblower program, administered by a third party, EthicsPoint. This program is designed so that any behavior, business practice or action that does not meet our high standards can be reported anonymously and confidentially. Issues can then be appropriately reviewed, escalated and addressed as necessary.
With more than $50 billion in assets, Western Alliance Bancorporation (NYSE:WAL) is one of the country’s top-performing banking companies. The company is again #1 best-performing of the 50 largest public U.S. banks in the S&P Global Market Intelligence listing for 2020, ranks high on the Forbes “Best Banks in America” list year after year and was named #1 Best Emerging Regional Bank per Bank Director’s 2022 RankingBanking study. Its primary subsidiary, Western Alliance Bank, Member FDIC, helps clients realize their ambitions with teams of experienced bankers and mortgage experts who deliver superior service and a full spectrum of customized loan, deposit and treasury management capabilities, including blockchain-based offerings. Business clients also benefit from a powerful array of specialized financial services that provide strong expertise and tailored solutions for a wide variety of industries and sectors. Serving clients across the country wherever business happens, Western Alliance Bank operates individual, full-service banking brands and has offices in key markets nationwide.