Contact Us

When you need us, we are here for you.

Client Services

No matter what you need, we’re here to help. Our Client Services staff provides general information about the bank, our products and services, and assistance with accounts from 7 am to 6 pm, Central Time, Monday through Friday, excluding holidays.

  • Toll free: (800) 257-8316 
  • Fax: (361) 980-1812

24-Hour Bank-By-Phone

Need banking information at night or on weekends? Check account balances, transfer funds, report lost or stolen checks and cards, find bank hours and locations, or leave a message by calling our 24-Hour Bank-By-Phone number.

  • Toll free: (800) 257-8086

Report Lost or Stolen Check Card/ATM Card

Quickly speak to a Client Services representative during business hours, contact MasterCard after hours for emergency assistance with your Check Card.

  • During business hours, call Client Services: (800) 257-8316 
  • After business hours, call MasterCard at (800) 500-1044 (Check Cards only)


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Mailing Addresses

General

American Bank
P.O. Box 6469
Corpus Christi, TX 78466-6469

 

Courier

5120 S. Padre Island Dr.
Corpus Christi, TX 78411
(361) 992- 9905