Visitors by air, upon their arrival at the Muscat International Airport, you can find 24-hour booths in the arrival hall for OmanTel, Ooredoo, or Renna. It is easy to get the SIM card by signing up with your passport and the method of payment.
Driving on the right hand side is a novelty for many when they first get into Oman. One actually gets used to it quite quickly. Generally the driving manners are poor and aggression on the roads is on the increase.
ATMs are widely available, and major credit cards are accepted in larger hotels, restaurants and shops. In markets and small businesses, cash is always preferred.