wescom credit union customer service
Contact Wescom by Phone. 1  Credit Union: 1-888-4WESCOM (1-888-493-7266) 2  Automated banking with Teller#Phone: 1-877-4TELLER (1-877-483-5537). 3  TTY (Teletype) for the speech and hearing impaired: 1-888-937-2661.  From outside the United States: 1-626-535-1000.