721
Area code
SINT MAARTEN
Sint Maarten geographic area code, in service since 2011-09-30.
Statusin service
Introduced2011-09-30
JurisdictionSINT MAARTEN, SINT MAARTEN
Local dialing7D
Time zoneAtlantic
Last verified2026-09-17
Area codes serve rate-center geographies, not municipal boundaries. “SINT MAARTEN” identifies the jurisdiction, not an exact city footprint.
Change history
Recorded events for this NPA- 2012-02-09 Introduction on NPA 721 (Sint Maarten) other
- 2011-09-30Area code 721 entered service.
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2012-02-09 | PL-434 ↗ | Introduction on NPA 721 (Sint Maarten) |
| 2011-11-01 | PL-429 ↗ | Updated Information - Introduction of NPA 721 (Sint Maarten) |
| 2011-07-27 | PL-423 ↗ | Updated Information - Introduction of NPA 721 (Sint Maarten) |
| 2011-01-15 | PL-418 ↗ | Introduction of NPA 721 (Sint Maarten) |
| 2010-03-03 | PL-404 ↗ | Introduction on NPA 721 (Sint Maarten, Netherlands Antilles |
| 2009-10-02 | PL-396 ↗ | Introduction of NPA 721 (Sint Maarten, Netherlands, Antilles) |