Where is area code 721?
NANPA assigns 721 to Sint Maarten. The source report does not provide city-level coverage for this record, so this page does not guess a particular city. Browse other codes in Sint Maarten
Verified area-code information
721 Area Code
721 is an in-service Sint Maarten area code assigned to Sint Maarten. It identifies a numbering region, not a caller’s current location.
Official Numbering RegionVerified NANPA Assignment
Sint MaartenArea Code 721
Country: Sint Maarten•Time Zone: Atlantic Standard•In Service: 30-Sep-2011
- Numbering country
- Sint Maarten
- Area-code type
- Geographic
- Numbering region
- Sint Maarten
- Time-zone information
- Atlantic Standard
- In service since
- 30-Sep-2011
View the official area-code maps ↗. Maps show numbering areas, not a caller’s location.
Time zones associated with 721
NANPA lists Atlantic Standard for this numbering area. These are numbering-region time zones, not a caller’s current location.
Atlantic Standard time
An area code can span more than one time zone. Local daylight-saving rules may differ.
How do you dial a 721 number?
Use the North American country calling code +1 followed by the three-digit area code and seven-digit local number. For example, write the pattern as +1 721 XXX XXXX. Local dialing rules and charges depend on your location and provider. Check a supported dialing format or check NANPA’s 10-digit dialing list.
Check a number with area code 721
Enter the full ten-digit number to see its structure and formatting. The check stays in your browser.
Check a 721 number
Enter a 10-digit +1 North American number. We check its structure and area-code record, not the caller’s identity or whether the line is active.
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Received an unfamiliar call?
The displayed number may be spoofed. Do not rely on an area code as proof of caller identity. If the caller claims to represent a business, end the call and contact that business using a number you found independently.
Common questions about 721
What time zone is area code 721 in?
721 is assigned to Sint Maarten, and the NANPA record associates it with Atlantic Standard time. A phone number does not reveal its owner’s current time zone. The clock above uses a representative time zone for the numbering area.
Does 721 mean the caller is in Sint Maarten?
No. An area code is an assignment, and a person can travel, move, use internet calling, or display a spoofed number.
Can this page identify who called?
No. OfficialAreaCode has no live subscriber directory or spam-report database.