🇴🇲Oman (officially: Sultanate of Oman) is filed in ISO 3166-1 under alpha-2 code OM, alpha-3 code OMN and numeric code 512. Its international dialing code is +968 and its country-code top-level domain is .om. The capital is Muscat. Region: Asia.
Currency: OMR (Rial Omani).
The two-letter code appears in domains, locales (like en-OM), shipping and licence plates; the three-letter code in passports, finance and sport; the numeric code where Latin script is unavailable.