Year 66 (LXVI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Telesinus and Paullinus (or, less frequently, year 819 Ab urbe condita). The denomination 66 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

In telecommunication, an automatic redial is a service feature that allows the user to dial, by depressing a single key or a few keys, the most recent telephone number dialed at that instrument.

Continuous Redial, Busy Number Redial, or Repeat Dial, is a vertical service code (calling feature) that allows callers to automatically redial a busy telephone number until a connection is made. It is activated by dialling a combination of special characters and numbers after hanging up following a call to a busy line. It will run for a set period of time (such as 30 minutes) and can be deactivated by entering either the same set of numbers or a different set. The North American Numbering Plan assigned *66 to activate Continuous Redial and *86 to deactivate it.

Country Code: +66
International Call Prefix: 001
Trunk Prefix: 0

 Gaius Suetonius Paulinus wird vermutlich zum zweiten Mal Konsul des Römischen Reichs.

Denna artikel handlar om året 66. För talet med samma namn, se 66 (tal). För Volvos bilmodell, se Volvo 66.

66 (LXVI) var ett normalår som började en onsdag i den julianska kalendern.