The OPT is a public institution which provides telecom & postal services and is also responsible for the telecom networks. The main office, located in the town center (not far from the yacht quay), is open Mon- Fri 7am-6pm / Sat 8am-11am. Different products & services such as stamps, phone cards, parcel post, placing collect calls, using international calling cards (ATT, France Telecom), sending money orders are available in its 54 public sales offices through all the islands.