Iowa DOT Customer Service Phone Number

Iowa DOT, or Department of Transportation is a division of regional government which is mainly concerned with legal affairs pertaining to vehicles plying across the roads of Iowa. The main activities of Iowa DOT are concerned with Vehicle Registration, Issuance and Renewal of Licences, etc. In order to communicate relevant concerns and queries, citizens can reach Iowa Department of Transportation by the means of given customer service phone numbers.
  • Iowa DOT Commercial Motor Carrier Information Customer Service Number: 515-237-3268 
  • Iowa DOT Commercial Motor Vehicle Enforcement Line Customer Service Number: 515-237-3305 
  • Iowa DOT Customer Service Email:
  • Inquiry for Oversize/Overweight Permits: 515-237-3268
  • Iowa DOT Customer Service Number for Vehicle Registration Information: 515-237-3110
  • Iowa DOT Customer Service Number for Driver's license information: 515-244-8725
  • Fax: 515-239-1837
  • Iowa DOT Investigative Bureau Phone Number: 515-237-3050 | Email: