🇸🇽Sint Maarten (officially: Sint Maarten) is filed in ISO 3166-1 under alpha-2 code SX, alpha-3 code SXM and numeric code 534. Its international dialing code is +1721 and its country-code top-level domain is .sx. The capital is Philipsburg. Region: Americas.
Currency: XCG (Caribbean Guilder).
The two-letter code appears in domains, locales (like en-SX), shipping and licence plates; the three-letter code in passports, finance and sport; the numeric code where Latin script is unavailable.