Fixed line telephone service is provided at a flat monthly charge per line with unlimited usage. International calls can be made from Hong Kong to most countries and regions of the world, and most cities and towns in Mainland China. All mobile operators in Hong Kong offer international roaming service.
Major operators providing local fixed line and international telephone and fax services are the Hong Kong Broadband Network Ltd, Hutchison Global Communications Ltd, New World Telecommunications Ltd, PCCW–HKT Telephone Ltd and Wharf T & T Ltd. There are also many international telephone service providers providing international calling card/prepaid card services such as the China Mobile Peoples Telephone Co Ltd, the consortium of Hong Kong CSL Ltd and New World PCS Ltd, Hutchison Telephone Co Ltd, PCCW Mobile HK Ltd and SmarTone Mobile Communications Ltd.