Here To Serve You ! National Livestock Staff At National Livestock Insurance Agency, our focus is on livestock insurance only. We are located in Amarillo, Texas and look forward to serving you. Click here to send us questions or comments. Pay By Credit Card We accept payment by Credit Card. Call us at 800.692.4031 to pay your premium with a Visa or MasterCard. We charge a 3% fee (premium X 0.03) to pay with a credit card, the same fee we are charged by our Visa/MasterCard. Simply call us and we can take your information over the phone.