The Dubai RTA, or Road Transport Authority aims to achieve exceptional benchmark of services to be delivered RTA clients. . Customer Service Representatives of Dubai RTA are available at round the clock assistance of esteemed clients, offering hassle free assistance to address relevant concerns and queries in an effective manner. Dubai RTA Customer Service Number: 800 90 90 Dubai RTA Customer Service Number for Overseas Callers 24/7: +971 4 605 1414 Dubai RTA Telephone Number: +971 4 284 4444 Fax: +971 4 206 5555 Dubai RTA Customer Service E-mail: ASK@rta.ae Mailing Address : Roads & Transport Authority P. O. Box: 118899 Dubai, United Arab Emirates.