TTY (teletypewriter) is a communication device used by people who are deaf, hard-of-hearing, or have severe speech impairment. People who don't have a TTY can communicate with a TTY user through a message relay center (MRC). An MRC has TTY operators available to send and interpret TTY messages.  The following MRCs are available:

Relay Iowa

  • Text Telephone users: 800-735-2942
  • Voice users: 800-735-2943


Article number: 
Last updated: 
March 15, 2022