| Business | Phone |
| Miller Cnty Computer Operator 400 Laurel St, Texarkana 71854 | (870) 779-3605 |
| Miller Cnty Voter Registration 400 Laurel St # 105, Texarkana 71854 | (870) 774-1501 |
| Miller County 8th Judical Dist 400 Laurel St # 212, Texarkana 71854 | (870) 774-3679 |
| Miller County Circuit Chancery 400 Laurel St # 304, Texarkana 71854 | (870) 774-7722 |
| Miller County Circuit Clerk 412 Laurel St # 109, Texarkana 71854 | (870) 774-4501 |
| Miller County Juvenile Probati 305 E 5th St # 300, Texarkana 71854 | (870) 773-0942 |