Providing tax cab service in Phoenix, Arizona, TaxiWithUs is quickly becoming a preferred provider and leader in the Phoenix and Tucson markets. Our taxis are computer dispatched using the latest technology and provide dependable and courteous service 24 hours a day, 7 days a week. TaxiWithUs was the first taxi service in Arizona to use Mobile-Knowledge computer terminals with built in navigation to insure that the driver can provide efficient and timely service.