Couriers provide door-to-door delivery service for a variety of clients, including law offices, banks, and hospitals. Most workers specialize in local deliveries, often in large urban areas. They offer same-day or 1-hour delivery services. Packages delivered may include important legal or financial documents, passports, and medical samples that senders are unwilling to entrust to other means of delivery. They also:
Couriers receive their instructions either in person or by cell phone or two-way radio. With this information, they plan the most efficient route and delivery schedule. Some couriers carry items only for specific clients, such as law firms, financial institutions, or medical laboratories.