First Guaranty Bank-Oil City First Guaranty Bank-Oil City Search | Advanced Search | New Members | Coupons and Discounts | All Categories Finance & Insurance >> Banks First Guaranty Bank-Oil City 126 Highway 1 SouthOil City, LA 71061 318-995-6682 Visit Site Send a message to: First Guaranty Bank-Oil City Your Name: Your Email: Subject: Message: (Date: 4/5/2025)