phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.
Area Code Detail

Area Code 721

Sint Maarten (all) ยท In service since September 30, 2011

SINT MAARTEN
Reports, 30 Days 0

Recent FCC and FTC complaint records tied to this area code.

Reports, 180 Days 4

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 0

Distinct NPA-NXX prefixes surfaced from routing and assignment data.

Carriers / Assignees 0

Named carriers, assignees, or code holders found in routing data.

Cities / Rate Centers 0

Distinct cities or rate centers attached to this area code.

States / Territories 0

Coverage footprint visible from NANPA, pooled block, and Canada routing data.

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Overview

What this area code covers

Sint Maarten (all)

joined the NANP in 2011; previously country code 599.[19]

Recent Signals

Latest complaint activity tied to 721

Complaint pages are the strongest indexing opportunity for this site right now, especially for exact phone numbers and toll-free exchanges.

FTC report from Akron, OHIO

March 17, 2026 at 10:17 AM

This report was logged as a robocall. Violation date: March 9, 2026 at 4:10 PM.

FTC report from Walnut Creek, CALIFORNIA

March 4, 2026 at 6:24 PM

721-721-7272 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: March 4, 2026 at 2:10 PM.

FTC report from Walnut Creek, CALIFORNIA

March 4, 2026 at 6:17 PM

721-721-7272 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: March 4, 2026 at 3:10 PM.

FTC report from Palisade, COLORADO

January 19, 2026 at 6:25 PM

This report was logged as a robocall. Category: Home improvement & cleaning. Violation date: January 19, 2026 at 2:20 PM.

FTC report from Greenwood, SOUTH CAROLINA

September 11, 2025 at 3:07 PM

721-417-1791 was logged as a live voice. Category: Vacation & timeshares. Violation date: September 11, 2025 at 3:00 PM.

FTC report from Wheat Ridge, COLORADO

August 29, 2025 at 4:19 AM

This report was logged as a live voice. Category: Home improvement & cleaning. Violation date: August 28, 2025 at 7:43 PM.

FTC report from NEW JERSEY

July 16, 2025 at 11:56 AM

This report was logged as a unwanted call. Violation date: July 15, 2025 at 7:21 PM.

FTC report from Al, ALABAMA

May 8, 2025 at 11:36 AM

721-244-3992 was logged as a unwanted call. Category: No Subject Provided. Violation date: May 8, 2025 at 10:24 AM.

FTC report from Albany, CALIFORNIA

April 12, 2025 at 12:33 PM

This report was logged as a robocall. Violation date: April 10, 2025 at 11:00 AM.

FCC report from Staten Island, NY

February 2, 2025 at 3:13 PM

721-421-4450 was logged as a text message. Unwanted Calls. Contact method: Wireless (cell phone/other mobile device).

FTC report from Washington, DISTRICT OF COLUMBIA

January 29, 2025 at 1:18 PM

721-201-6890 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: January 29, 2025 at 1:13 PM.

FTC report from Kennewick, WASHINGTON

January 28, 2025 at 12:57 PM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: January 21, 2025 at 9:37 AM.

FTC report from Old Bridge, NEW JERSEY

January 18, 2025 at 2:55 PM

721-679-6823 was logged as a robocall. Category: Dropped call or no message. Violation date: January 18, 2025 at 2:53 PM.

FTC report from Joaquin, TEXAS

December 17, 2024 at 5:34 PM

721-529-9332 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: December 17, 2024 at 4:22 PM.

FTC report from Wallace, IDAHO

November 23, 2024 at 1:19 PM

721-738-1773 was logged as a robocall. Category: Medical & prescriptions. Violation date: November 23, 2024 at 8:50 AM.

FTC report from Wallace, IDAHO

November 23, 2024 at 1:18 PM

721-738-1773 was logged as a robocall. Category: Medical & prescriptions. Violation date: November 23, 2024 at 8:50 AM.

FTC report from Livermore, CALIFORNIA

October 24, 2024 at 4:30 PM

721-472-9348 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: October 24, 2024 at 1:23 PM.

FTC report from Temecula, CALIFORNIA

October 22, 2024 at 12:06 PM

This report was logged as a live voice. Category: Dropped call or no message. Violation date: October 21, 2024 at 12:57 PM.

FTC report from CALIFORNIA

September 16, 2024 at 1:55 PM

721-532-1333 was logged as a live voice. Violation date: August 24, 2024 at 11:41 AM.

FTC report from Soquel, CALIFORNIA

August 27, 2024 at 4:37 PM

721-208-0588 was logged as a robocall. Category: Dropped call or no message. Violation date: August 27, 2024 at 1:31 PM.

FTC report from Oak Lawn, ILLINOIS

July 31, 2024 at 7:21 PM

721-203-1759 was logged as a robocall. Category: No Subject Provided. Violation date: July 31, 2024 at 2:31 PM.

FCC report from New Milford, NJ

May 16, 2024 at 9:25 PM

721-655-3150 was logged as a live voice. Category: Other Services. Unwanted Calls. Contact method: Wireless (cell phone/other mobile device).

FTC report from New Smyrna Beach, FLORIDA

May 15, 2024 at 4:29 PM

721-213-5572 was logged as a live voice. Violation date: May 15, 2024 at 11:23 AM.

FTC report from Lakewood, NEW JERSEY

May 10, 2024 at 12:06 PM

721-231-0452 was logged as a robocall. Category: Computer & technical support. Violation date: May 10, 2024 at 10:18 AM.

FTC report from Topeka, KANSAS

May 4, 2024 at 3:23 PM

This report was logged as a live voice. Violation date: May 4, 2024 at 2:15 AM.

FTC report from SOUTH DAKOTA

March 1, 2024 at 10:13 AM

This report was logged as a robocall. Violation date: March 1, 2024 at 8:46 AM.

FTC report from Monroe, NORTH CAROLINA

February 6, 2024 at 6:02 PM

721-451-9902 was logged as a robocall. Violation date: February 6, 2024 at 2:07 PM.

FTC report from East Bernstadt, KENTUCKY

January 30, 2024 at 5:15 PM

721-730-9957 was logged as a live voice. Category: Dropped call or no message. Violation date: January 30, 2024 at 1:30 AM.

FTC report from Madison, ALABAMA

December 13, 2023 at 5:16 PM

721-221-2328 was logged as a live voice. Violation date: December 13, 2023 at 3:51 PM.

FTC report from Mt. Hope, KANSAS

November 16, 2023 at 2:34 PM

721-209-5434 was logged as a unwanted call. Category: No Subject Provided. Violation date: November 16, 2023 at 11:23 AM.

FTC report from Interlachen, FLORIDA

October 28, 2023 at 3:02 PM

721-404-2719 was logged as a live voice. Category: Dropped call or no message. Violation date: October 28, 2023 at 10:35 AM.

FTC report from Lake Suzy, FLORIDA

October 20, 2023 at 10:35 AM

721-616-4878 was logged as a robocall. Violation date: October 20, 2023 at 9:58 AM.

FTC report from Schenectady, NEW YORK

October 3, 2023 at 2:50 PM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: October 3, 2023 at 2:35 AM.

FTC report from Montrose, COLORADO

September 29, 2023 at 11:34 AM

This report was logged as a robocall. Category: Energy, solar, & utilities. Violation date: September 28, 2023 at 5:37 PM.

FTC report from Providence, RHODE ISLAND

September 14, 2023 at 6:34 PM

721-221-8665 was logged as a live voice. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 14, 2023 at 6:29 PM.

FTC report from Mc Cool Junction, NEBRASKA

August 11, 2023 at 1:11 PM

This report was logged as a live voice. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 11, 2023 at 11:55 AM.

FTC report from ARIZONA

August 7, 2023 at 5:11 PM

This report was logged as a live voice. Category: Medical & prescriptions. Violation date: August 7, 2023 at 1:54 PM.

FTC report from League City, TEXAS

July 21, 2023 at 3:29 PM

721-111-3490 was logged as a robocall. Violation date: July 21, 2023 at 10:13 AM.

FTC report from MICHIGAN

June 11, 2023 at 2:02 PM

721-397-1024 was logged as a live voice. Category: No Subject Provided. Violation date: June 11, 2023 at 1:57 PM.

FTC report from MISSOURI

June 7, 2023 at 6:46 PM

721-212-2755 was logged as a unwanted call. Violation date: June 7, 2023 at 10:32 AM.