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Area Code Detail

Area Code 866

Toll-free telephone service · In service since July 29, 2000

TOLL-FREE
Reports, 30 Days 3,231

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

Reports, 180 Days 52,974

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.

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Examples: 206-739-5800, 206, 206-739, 48369
Overview

What this area code covers

Toll-free telephone service

created as a further expansion of 800

Recent Signals

Latest complaint activity tied to 866

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

FTC report from CALIFORNIA

April 29, 2026 at 11:41 PM

866-771-6698 was logged as a robocall. Violation date: April 29, 2026 at 6:15 PM.

FTC report from Clearwater, FLORIDA

April 29, 2026 at 11:08 PM

866-275-3866 was logged as a live voice. Category: Computer & technical support. Violation date: April 29, 2026 at 12:00 PM.

FTC report from Williamsburg, MICHIGAN

April 29, 2026 at 10:53 PM

866-771-5837 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 23, 2026 at 10:56 AM.

FTC report from Williamsburg, MICHIGAN

April 29, 2026 at 10:51 PM

866-771-5837 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 22, 2026 at 11:30 AM.

FTC report from Circle Pines, MINNESOTA

April 29, 2026 at 9:39 PM

866-771-5837 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: April 22, 2026 at 8:28 PM.

FTC report from Denver, COLORADO

April 29, 2026 at 9:21 PM

866-379-1239 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 12:00 PM.

FTC report from Summerfield, NORTH CAROLINA

April 29, 2026 at 9:01 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 7:30 PM.

FTC report from Summerfield, NORTH CAROLINA

April 29, 2026 at 8:56 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 12:00 PM.

FTC report from Phoenix, ARIZONA

April 29, 2026 at 8:53 PM

866-386-5514 was logged as a robocall. Violation date: April 29, 2026 at 7:37 AM.

FTC report from CALIFORNIA

April 29, 2026 at 8:50 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 5:43 PM.

FTC report from Athens, GEORGIA

April 29, 2026 at 8:48 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 12:00 AM.

FTC report from Pewaukee, WISCONSIN

April 29, 2026 at 8:46 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 7:15 PM.

FTC report from Sacramento, CALIFORNIA

April 29, 2026 at 8:34 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 5:30 PM.

FTC report from Salt Lake City, UTAH

April 29, 2026 at 8:30 PM

866-771-6698 was logged as a robocall. Violation date: April 29, 2026 at 6:27 PM.

FTC report from Salt Lake City, UTAH

April 29, 2026 at 8:29 PM

866-771-6698 was logged as a robocall. Violation date: April 29, 2026 at 5:27 PM.

FTC report from Chino, CALIFORNIA

April 29, 2026 at 8:28 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 5:23 PM.

FTC report from Victorville, CALIFORNIA

April 29, 2026 at 8:24 PM

866-771-6698 was logged as a robocall. Violation date: April 29, 2026 at 5:22 PM.

FTC report from Abie, NEBRASKA

April 29, 2026 at 8:22 PM

866-961-9177 was logged as a robocall. Violation date: April 29, 2026 at 7:14 PM.

FTC report from Abie, NEBRASKA

April 29, 2026 at 8:21 PM

866-771-6698 was logged as a robocall. Violation date: April 29, 2026 at 7:14 PM.

FTC report from Anaheim, CALIFORNIA

April 29, 2026 at 8:15 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 5:09 PM.

FTC report from Plymouth, MINNESOTA

April 29, 2026 at 8:06 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 6:40 PM.

FTC report from Othello, WASHINGTON

April 29, 2026 at 7:59 PM

866-884-0402 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: April 6, 2026 at 12:06 PM.

FTC report from CALIFORNIA

April 29, 2026 at 7:55 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 4:33 PM.

FTC report from Ocean City, MARYLAND

April 29, 2026 at 7:54 PM

866-601-6747 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: April 29, 2026 at 4:50 PM.

FTC report from WISCONSIN

April 29, 2026 at 7:51 PM

866-306-6359 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 27, 2026 at 7:29 PM.

FTC report from Nokomis, FLORIDA

April 29, 2026 at 7:44 PM

866-771-6698 was logged as a robocall. Violation date: April 29, 2026 at 7:36 PM.

FTC report from Santa Clarita, CALIFORNIA

April 29, 2026 at 7:39 PM

866-615-6169 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: April 29, 2026 at 4:35 PM.

FTC report from Irvine, CALIFORNIA

April 29, 2026 at 7:22 PM

866-386-5514 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: April 29, 2026 at 3:56 PM.

FTC report from Plantation, FLORIDA

April 29, 2026 at 7:22 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 12:00 AM.

FTC report from Irvine, CALIFORNIA

April 29, 2026 at 7:21 PM

866-386-5514 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: April 28, 2026 at 3:14 PM.

FTC report from Irvine, CALIFORNIA

April 29, 2026 at 7:21 PM

866-771-4484 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: April 27, 2026 at 2:54 PM.

FTC report from Sioux Falls, SOUTH DAKOTA

April 29, 2026 at 7:09 PM

866-380-1992 was logged as a robocall. Violation date: April 29, 2026 at 5:09 PM.

FTC report from Frisco, NEW YORK

April 29, 2026 at 7:01 PM

866-771-6698 was logged as a robocall. Violation date: April 29, 2026 at 5:54 PM.

FTC report from Stockton, CALIFORNIA

April 29, 2026 at 6:59 PM

866-771-6903 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: April 24, 2026 at 12:00 PM.

FTC report from TEXAS

April 29, 2026 at 6:58 PM

866-379-1239 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 13, 2026 at 3:00 AM.

FTC report from Rocklin, CALIFORNIA

April 29, 2026 at 6:57 PM

866-688-4682 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 23, 2025 at 10:12 AM.

FTC report from Lake Worth, FLORIDA

April 29, 2026 at 6:44 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 25, 2026 at 2:19 PM.

FTC report from Nortonville, KENTUCKY

April 29, 2026 at 6:42 PM

866-771-6698 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 2:45 PM.

FTC report from ARIZONA

April 29, 2026 at 6:38 PM

866-433-5419 was logged as a live voice. Violation date: April 22, 2026 at 9:59 AM.

FTC report from IOWA

April 29, 2026 at 6:38 PM

866-420-2689 was logged as a live voice. Category: Vacation & timeshares. Violation date: April 29, 2026 at 1:51 PM.