When seeking the MU country abbreviation, you are looking for the two-letter identifier used in global standards for the island nation of Mauritius.
The direct answer is that MU is the official ISO 3166-1 alpha-2 code for the Republic of Mauritius. This code is critical for global systems, including domain names, postal codes, data services, and financial exchanges.
This article details the key identifiers for Mauritius, clarifies its location, and provides the necessary dialing information.

Official Identifiers for Mauritius (MU)
Mauritius is a sovereign island nation in the Indian Ocean, located off the southeast coast of Africa.
Identifier Type | Code | Purpose |
2-Letter Abbreviation (Alpha-2) | MU | Used for the country code top-level domain (.mu). |
3-Letter Abbreviation (Alpha-3) | MUS | Used in banking and international financial reporting. |
Country Calling Code | +230 | The unique international telephone dialing prefix. |
Geographic and Telephony Details
The MU code represents a nation with a closed numbering plan, meaning there are generally no regional area codes.
Location and Time Zone
- Continent: Africa (East African islands).
- Capital City: Port Louis.
- Time Zone: Mauritius Time (MUT), which is UTC/GMT +4 hours. Mauritius does not observe Daylight Saving Time.
Dialing Rules for +230
To call Mauritius from the U.S. or Canada, you must use the international dialing code +230 followed by the local number.
- National Number Length: Mauritian phone numbers are typically 7 or 8 digits Mobile numbers often start with 5.
Frequently Asked Questions (FAQ)
What is the closest US area code to the MU abbreviation?
There is no direct connection, as MU is a country code. However, the number sequence 230 is the full Country Calling Code for Mauritius, while in the NANP, 230 is an unassigned geographic area code.
Does Mauritius use area codes?
No. Mauritius operates on a closed numbering plan. Once you dial the country code +230, you proceed directly to the 7- or 8-digit local number.
Does the MU abbreviation have any connection to American universities?
While “MU” is a common abbreviation for universities in the US (such as Marquette University or Marshall University), in the international context (ISO 3166-1), MU officially and strictly refers to Mauritius.
Conclusion
The MU country abbreviation is the official two-letter code for the island nation of Mauritius. For all telephone communications, you must use the unique international dialing code +230 followed by the local 7- or 8-digit number, keeping in mind the UTC +4 hour time difference.