Airmail postcards and letters cost EC$1.50 (for the first ½ ounce) to the United States, Canada, and the United Kingdom and EC$2.50 to Australia and New Zealand. The only post office is in the Valley; it's open weekdays 8 to 4:45.When writing to the island, you don't need a postal code; just include the name of the establishment, address (location or post-office box), and "Anguilla, British West Indies."
The post office, located in the Valley, is open weekdays 8 to 3:30. There's a FedEx office near the airport. It's open weekdays 8 to 5 and Saturday 9 to 1.