Postcard US-6464176 toes5108 U.S.A. 6 Jan, 2020 45 days 5,231 miles indars Latvia 19 Feb, 2020 Loading map... Texarkana Post Office. Texas - Arkansas. This federal building is the only one of its kind. It is located on a state border with Texas on the left and Arkansas on the right. indars said: posted over 4 years ago USA (ASV) 19.02.2020. You need to sign in to leave a comment!