Area code 721
Area code 721 is used in Sint Maarten. It starts with +1 like US and Canadian numbers, but it isn't in either country.
- Country or territory
- Sint Maarten
- Capital
- Philipsburg
- Timezone
- Atlantic Standard Time
- Local time
- —
Calling back is an international call
Calls and texts to 721 numbers are billed at international rates — often much higher than calls to the US or Canada, and usually not covered by plans that include North American calling. If you missed a call from a 721 number you don't know, don't call back.
About area code 721
In service since 2011.
Other +1 area codes outside the US and Canada
Common questions
- Which country is area code 721?
- Area code 721 is used in Sint Maarten, not in the US or Canada. The US, Canada and a group of Caribbean and Atlantic countries and territories all share country code +1. How +1 numbers work
- What time zone is area code 721 in?
- Atlantic Standard Time (America/Lower_Princes). The current local time is shown above.
- Who is calling me from a 721 number?
- An area code only shows where a number was registered, not who is calling or where they are — calling apps let anyone use a 721 number from anywhere. Before you call back, check the number's carrier, line type and spam risk.