Courts-federal--probation Office 205 E 5th Ave Amarillo, TX 79101 Phone : (806) 324-2351 Business Category Government Offices-Federal Social Service & Welfare Organizations Individual & Family Social Services Probation Services Government Offices & Public Schools Us Government--justice Dept Of, Us Probation Office 205 E 5th Ave Amarillo, TX 79101 Phone : (806) 324-2351 Business Category Government Offices-Federal Government Offices & Public Schools