Phone 713-778-6300 (Main) Fax 713-778-6320
- 8 a.m. to 4 p.m. CDT (M,T,Th,F)
- 9 a.m. to 4 p.m. CDT (Wednesday)
- Closed on Saturdays, Sundays, and Federal Holidays
- Using your touch tone phone you can get account information and perform transactions 24/7 using the Voice Response, simply call 713-778-6350
LOST & STOLEN CARD NUMBERS
ATM/Debit Card: (800) 528-2273
Credit Cards: (800) 820-8450
Debit Card & ATM Activation, please call 1-866-619-0245
Debit Card & ATM Pin Change, please call 1-877-267-6914
Methods for Sharing Confidential Information. Confidential information may be securely sent or discussed through the following MCU systems:
Secure Email is accessed through MCU Online. You must be enrolled in MCU Online to use Secure Email.
Encrypted Email – If a MCU representative sends you an encrypted email, you will be asked to login and create a password before you can even view the email. You may reply to that email and your message will also be encrypted when it is sent back to MCU.