The currency of Oman is the Omani Rial (OMR) divided into
1,000 baisa. Notes come in denominations of 50, 20, 10, 5 and 1
rials, and 500, 250, 200 and 100 baiza. Foreign currency and
travellers cheques can be exchanged at banks, exchange bureaux,
hotels and at the airport. Outside banking hours, moneychangers
operate between 4pm and 7pm in the evenings and at weekends. US
Dollars are recommended. American Express, MasterCard and Visa
credit cards are readily accepted in large shops and hotels and by
an increasing number of traders in the souq. Most banks in cities
and towns have ATMs.