Contact Us

contact phone

Phone   713.778.6300 (Main)          Fax   713.778.6320

  • Monday – Friday     8:00a.m. to 4:00 p.m.
  • Wednesday     9:00 a.m. – 4:00 p.m.
  • Closed Weekends
  • Using your touch tone phone you can get account information and perform transactions 24/7 using the Voice Response, simply call 713-778-6350
  • Branch Locations


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


contact email

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.




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