The term "411" refers to a telephone service in the United States and Canada that provides directory assistance. When you call 411, you can request information such as phone numbers, addresses, and business listings. This service is particularly useful for finding contact details for individuals or companies without needing to search online. In addition to basic directory assistance, some 411 services may offer additional information, such as local weather updates or traffic reports. The service is typically available for a fee, and it is often used when people do not have access to the internet or prefer speaking to a live operator for assistance.