National Phone Number Registry NPNR

Area Code 721 Location - SINT MAARTEN

Area code 721 is currently assigned for use in Sint Maarten since Sep 30, 2011. View all phone prefixes used in area code 721 or other area codes in Sint Maarten.

Enter 7-digit phone number for area code 721 or the complete 10-digit phone number

Phone Prefixes for Area Code 721

Area code Location Company / Service Provider

721 is not a valid area code or is not registered with the North America Number Plan.

List of all valid area codes

721 Area Code Information
Type of code: General Purpose Code
Time zone: A
Assigned for use: Yes
Code in service: Yes
Service date: September 30, 2011
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
Reserved for future use: No
Planning letter(s): 434 429 423 418 404 396
Overlay code: No
Overlay complex:
Dialing plan Standard Permissive
Home local calls: 7D NA
Foreign local calls: NA NA
Home toll calls: NA NA
Foreign toll calls: 1+10D -

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National Do Not Call Registry FTC - Cell Phones and the Do Not Call Registry FCC - Do Not Call List FTC Complaint Assistant 1.3.86