Contact Us

Client Service Center
To report errors and unauthorized EFTs
M - F: 8:00 AM – 6:00 PM Please mail your claim to:
Sat. 9:00 AM - 1:00 PM  WestStar
In El Paso: (915) 532-1000  ATTN: Operations
In Las Cruces: (575) 323-6040  P.O. Box 99100
Traveling: 1-800-366-4578 El Paso, TX 79999

Or, call us at: (915) 532-1000


You can also contact us online by using the form below.

Preferred Method of Contact

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Form submissions received outside of business hours (Mon.-Thur. 9:00 AM – 4:00 PM; Fri. 9:00 AM – 5:00 PM) will be reviewed on the next business day.

Report Lost or Stolen Cards

ATM/Debit Card: 1-888-297-3416 
Credit Card: 1-800-367-7576


Should you need to send a secure email to a WestStar team member, please use our secure email service Click here to send a secure email to any email address. [NOTE: First-time users will be walked through the set-up process which requires their email address and a password.) Please note that e-mail communications are not considered secure or confidential; therefore, NEVER INCLUDE ACCOUNT NUMBERS OR SOCIAL SECURITY NUMBERS.

Postal Mail

In the El Paso Area:
P.O. Box 99100
El Paso, TX 79999

In the Las Cruces Area:
555 S. Telshor Blvd., Suite 100A
Las Cruces, NM 88011

Branch Locations