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Area Code Detail

Area Code 721

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

SINT MAARTEN
Reports, 30 Days 1

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 1

Distinct NPA-NXX exchanges surfaced from routing and complaint 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.

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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]

NPA-NXX

Strongest exchanges inside area code 721

These prefixes combine recent complaint concentration with routing or assignment density, which makes them good candidates for indexing and exploration.

Prefix Complaint Score Routing Rows Companies Cities
721-721 8 0 0 0
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.