Area Code Detail

Area Code 866

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

TOLL-FREE
Reports, 30 Days 7,280

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

Reports, 180 Days 37,800

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

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Overview

What this area code covers

Toll-free telephone service

created as a further expansion of 800

Important Numbers

Curated phone pages inside area code 866

These exact-number pages add editorial depth alongside the prefix directory by linking to complaint-heavy, report-rich, search-rich, or publicly identified phone pages inside this area code.

866-398-3898

Repeated FTC and FCC complaint activity makes this an exact-number page worth surfacing directly.

460 complaints1 report

866-959-1499

Repeated FTC and FCC complaint activity makes this an exact-number page worth surfacing directly.

98 complaints1 report

866-878-6825

Repeated FTC and FCC complaint activity makes this an exact-number page worth surfacing directly.

27 complaints1 report

866-573-3811

Repeated FTC and FCC complaint activity makes this an exact-number page worth surfacing directly.

21 complaints1 report

866-370-5967

Repeated FTC and FCC complaint activity makes this an exact-number page worth surfacing directly.

15 complaints1 report

866-724-9418

Anonymous reports and verified on-site searches both continue to surface this number.

1 report4 verified searches

866-371-6944

Anonymous reports and verified on-site searches both continue to surface this number.

1 complaint1 report1 verified search

866-771-6780

Anonymous reports and verified on-site searches both continue to surface this number.

1 report1 verified search

866-457-7143

Community reports keep this exact-number page relevant for callers researching the number.

1 report
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 ARIZONA

November 2, 2026 at 11:11 PM

866-480-5598 was logged as a robocall. Violation date: October 30, 2026 at 6:38 AM.

FTC report from Lakewood, NEW JERSEY

November 2, 2026 at 11:09 PM

866-594-3505 was logged as a robocall. Violation date: October 31, 2026 at 5:21 PM.

FTC report from Bartlett, ILLINOIS

November 2, 2026 at 11:09 PM

866-583-2120 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 1, 2026 at 12:00 AM.

FTC report from Bartlett, ILLINOIS

November 2, 2026 at 11:05 PM

866-499-0726 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 2, 2026 at 7:01 PM.

FTC report from ARIZONA

November 2, 2026 at 11:02 PM

866-342-3844 was logged as a robocall. Violation date: October 12, 2026 at 6:46 AM.

FTC report from ARIZONA

November 2, 2026 at 10:30 PM

866-556-6443 was logged as a robocall. Violation date: September 3, 2026 at 6:11 AM.

FTC report from Danville, VIRGINIA

November 2, 2026 at 10:17 PM

866-753-4891 was logged as a robocall. Violation date: November 2, 2026 at 2:38 PM.

FTC report from Danville, VIRGINIA

November 2, 2026 at 10:12 PM

866-753-4891 was logged as a robocall. Violation date: November 2, 2026 at 6:20 PM.

FTC report

November 2, 2026 at 9:33 PM

866-757-8361 was logged as a robocall. Violation date: November 2, 2026 at 12:00 AM.

FTC report from Frisco, TEXAS

November 2, 2026 at 9:08 PM

866-674-5527 was logged as a live voice. Category: Warranties & protection plans. Violation date: November 2, 2026 at 9:01 PM.

FTC report from FLORIDA

November 2, 2026 at 8:47 PM

866-291-6365 was logged as a robocall. Violation date: November 2, 2026 at 5:33 PM.

FTC report from Mahoment, ILLINOIS

November 2, 2026 at 8:35 PM

866-888-1380 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: October 29, 2026 at 4:53 PM.

FTC report from Cockeysville, MARYLAND

November 2, 2026 at 8:33 PM

866-923-1419 was logged as a robocall. Category: Warranties & protection plans. Violation date: November 2, 2026 at 9:08 PM.

FTC report from Schiller Park, ILLINOIS

November 2, 2026 at 8:24 PM

866-771-6379 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 2, 2026 at 11:13 PM.

FTC report from Tiger, ALABAMA

November 2, 2026 at 8:23 PM

866-847-9962 was logged as a unwanted call. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 22, 2026 at 12:00 AM.

FTC report from TENNESSEE

November 2, 2026 at 8:22 PM

866-771-6379 was logged as a robocall. Category: No Subject Provided. Violation date: November 2, 2026 at 7:11 PM.

FTC report from TENNESSEE

November 2, 2026 at 8:22 PM

866-771-6379 was logged as a robocall. Category: No Subject Provided. Violation date: November 2, 2026 at 7:03 PM.

FTC report from TENNESSEE

November 2, 2026 at 8:21 PM

866-771-6379 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 2, 2026 at 7:01 PM.

FTC report from Warwick, NEW YORK

November 2, 2026 at 8:20 PM

866-666-1024 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 1, 2026 at 5:23 PM.

FTC report from Tiger, ALABAMA

November 2, 2026 at 8:18 PM

866-859-2475 was logged as a unwanted call. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 24, 2026 at 12:00 AM.

FTC report from Tiger, ALABAMA

November 2, 2026 at 8:16 PM

866-824-2840 was logged as a unwanted call. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 28, 2026 at 12:00 AM.

FTC report from Gray, KENTUCKY

November 2, 2026 at 8:02 PM

866-633-1308 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: October 29, 2026 at 4:38 PM.

FTC report from Gray, KENTUCKY

November 2, 2026 at 7:52 PM

866-894-2985 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: November 2, 2026 at 7:43 AM.

FTC report from Danville, KENTUCKY

November 2, 2026 at 7:52 PM

866-583-2023 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 2, 2026 at 7:11 PM.

FTC report from Houston, TEXAS

November 2, 2026 at 7:42 PM

866-339-4507 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 2, 2026 at 10:13 PM.

FTC report from Felton, DELAWARE

November 2, 2026 at 7:41 PM

866-851-4548 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: November 2, 2026 at 9:07 AM.

FTC report from Los Angeles, CALIFORNIA

November 2, 2026 at 7:40 PM

866-480-4733 was logged as a robocall. Violation date: October 22, 2026 at 6:04 AM.

FTC report from Redlands, CALIFORNIA

November 2, 2026 at 7:36 PM

866-594-1926 was logged as a robocall. Violation date: October 29, 2026 at 1:53 PM.

FTC report from Lee, NEW HAMPSHIRE

November 2, 2026 at 7:29 PM

866-887-2810 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 2, 2026 at 6:57 PM.

FTC report from Redlands, CALIFORNIA

November 2, 2026 at 7:26 PM

866-711-1207 was logged as a robocall. Violation date: October 22, 2026 at 2:50 PM.

FTC report from ILLINOIS

November 2, 2026 at 7:19 PM

866-583-2023 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 2, 2026 at 6:15 PM.

FTC report from Greensboro, MONTANA

November 2, 2026 at 7:18 PM

866-836-0942 was logged as a robocall. Violation date: November 2, 2026 at 3:26 PM.

FTC report from Lindenhurst, NEW YORK

November 2, 2026 at 7:14 PM

866-771-6379 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 2, 2026 at 7:10 PM.

FTC report from Galena, OHIO

November 2, 2026 at 6:49 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: November 2, 2026 at 6:15 PM.

FTC report from Basalt, COLORADO

November 2, 2026 at 6:49 PM

866-378-1534 was logged as a robocall. Category: Dropped call or no message. Violation date: November 2, 2026 at 4:00 PM.

FTC report from South Salt Lake, UTAH

November 2, 2026 at 6:47 PM

866-318-3061 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: November 2, 2026 at 7:51 PM.

FTC report from Stockton, ALABAMA

November 2, 2026 at 6:39 PM

866-771-3901 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: November 2, 2026 at 12:00 PM.

FTC report from Cave Springs, ARKANSAS

November 2, 2026 at 6:38 PM

866-544-2549 was logged as a robocall. Violation date: November 2, 2026 at 5:24 PM.

FTC report from Belvidere, ILLINOIS

November 2, 2026 at 6:33 PM

866-550-1192 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: October 31, 2026 at 12:09 PM.

FTC report from Littleton, NEW HAMPSHIRE

November 2, 2026 at 6:30 PM

866-863-1244 was logged as a robocall. Violation date: November 2, 2026 at 10:23 PM.