The phrase identifies a specific piece of contact information related to a transportation service operating in a particular geographic area. It is the telephone number that connects individuals seeking immediate taxi services with a dispatcher or automated system for arranging a ride within the city of St. Louis, using vehicles traditionally painted yellow. As an example, an individual needing a taxi to the airport would search for and utilize this specific piece of information to book their transport.
The significance of easily accessible contact details for taxi services lies in facilitating convenient and reliable transportation options. Historically, before the prevalence of ride-sharing apps, this was a primary method for securing immediate or pre-scheduled transport. Reliable access to such information provides a crucial service to residents and visitors alike, especially those without alternative means of transportation or those unfamiliar with the area.