Kleberg Mortgage » Members Go back to directory. Add to Address Book. Kleberg Mortgage Kleberg Mortgage Contact: Karen Silvernail P.O. Box 7669 Corpus Christi TX 78467 work Work Phone: 361-851-5829work Work Fax: 361-991-4484workfax Work Email: accounts.payable@klebergbank.comINTERNET Website: Kleberg Mortgage