Area Code Detail

Area Code 866

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

TOLL-FREE
Reports, 30 Days 4,571

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

Reports, 180 Days 36,027

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

866-959-1247

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

171 complaints2 reports

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

866-371-6944

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

866-690-2762

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 Lagrange, ILLINOIS

August 25, 2026 at 11:31 PM

866-867-9845 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 10, 2026 at 10:19 AM.

FTC report from Lagrange, ILLINOIS

August 25, 2026 at 11:29 PM

866-867-9845 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 10, 2026 at 4:13 PM.

FTC report from Escondido, CALIFORNIA

August 25, 2026 at 11:23 PM

866-822-9068 was logged as a robocall. Violation date: August 25, 2026 at 4:18 PM.

FTC report from IDAHO

August 25, 2026 at 11:10 PM

866-496-7617 was logged as a robocall. Violation date: August 25, 2026 at 5:30 PM.

FTC report from IDAHO

August 25, 2026 at 11:07 PM

866-496-4093 was logged as a robocall. Violation date: August 24, 2026 at 7:55 PM.

FTC report from Omaha, NEBRASKA

August 25, 2026 at 11:07 PM

866-554-5732 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 7:07 PM.

FTC report from CALIFORNIA

August 25, 2026 at 10:56 PM

866-499-4818 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 12:00 AM.

FTC report from Murfreesboro, TENNESSEE

August 25, 2026 at 10:44 PM

866-458-8035 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 5:56 PM.

FTC report from Ogden, UTAH

August 25, 2026 at 10:41 PM

866-556-4485 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 4:56 PM.

FTC report

August 25, 2026 at 10:36 PM

866-499-1952 was logged as a robocall. Violation date: August 25, 2026 at 12:53 PM.

FTC report from Park Ridge, WISCONSIN

August 25, 2026 at 10:33 PM

866-771-4592 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 12:00 PM.

FTC report from Chicago, ILLINOIS

August 25, 2026 at 10:31 PM

866-554-6647 was logged as a robocall. Violation date: August 25, 2026 at 7:05 PM.

FTC report from Fremont, CALIFORNIA

August 25, 2026 at 10:19 PM

866-496-7690 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 19, 2026 at 6:32 AM.

FTC report from Newport, MICHIGAN

August 25, 2026 at 10:15 PM

866-398-3178 was logged as a robocall. Violation date: August 25, 2026 at 2:07 PM.

FTC report from Newport Coast, CALIFORNIA

August 25, 2026 at 9:59 PM

866-554-8271 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 10:34 AM.

FTC report from GEORGIA

August 25, 2026 at 9:57 PM

866-496-8157 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 9:43 PM.

FTC report from Newport Coast, CALIFORNIA

August 25, 2026 at 9:56 PM

866-554-2981 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 1:21 PM.

FTC report from Gilbert, ARIZONA

August 25, 2026 at 9:48 PM

866-867-2026 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 7:47 AM.

FTC report from ILLINOIS

August 25, 2026 at 9:42 PM

866-771-1859 was logged as a robocall. Violation date: August 25, 2026 at 5:38 PM.

FTC report from Gouldsboro, PENNSYLVANIA

August 25, 2026 at 9:33 PM

866-496-8492 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: August 25, 2026 at 5:57 PM.

FTC report from Port St Lucie, FLORIDA

August 25, 2026 at 9:31 PM

866-771-4592 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 12:42 PM.

FTC report from GEORGIA

August 25, 2026 at 9:15 PM

866-556-1518 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 1:12 PM.

FTC report

August 25, 2026 at 9:14 PM

866-556-3369 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 6:22 PM.

FTC report from Reno, NEVADA

August 25, 2026 at 9:12 PM

866-851-0819 was logged as a robocall. Violation date: August 25, 2026 at 1:28 PM.

FTC report from Long Valley, NEW JERSEY

August 25, 2026 at 9:09 PM

866-731-8131 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 5:47 PM.

FTC report from Long Valley, NEW JERSEY

August 25, 2026 at 9:07 PM

866-556-2843 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 1:02 PM.

FTC report from Long Valley, NEW JERSEY

August 25, 2026 at 9:07 PM

866-496-8012 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 9:14 AM.

FTC report from Winder, GEORGIA

August 25, 2026 at 8:52 PM

866-771-1859 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: August 25, 2026 at 4:47 PM.

FTC report from Davison, MICHIGAN

August 25, 2026 at 8:37 PM

866-556-4547 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 8:36 PM.

FTC report from Elk City, OKLAHOMA

August 25, 2026 at 8:30 PM

866-976-2739 was logged as a robocall. Violation date: August 24, 2026 at 11:22 AM.

FTC report from CALIFORNIA

August 25, 2026 at 8:29 PM

866-554-6647 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 5:05 PM.

FTC report from ALABAMA

August 25, 2026 at 8:29 PM

866-771-4592 was logged as a robocall. Category: No Subject Provided. Violation date: August 25, 2026 at 7:29 PM.

FTC report from COLORADO

August 25, 2026 at 8:29 PM

866-554-7057 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 6:27 PM.

FTC report from Tonopah, ARIZONA

August 25, 2026 at 8:26 PM

866-499-7426 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 4:39 PM.

FTC report from PENNSYLVANIA

August 25, 2026 at 8:26 PM

866-267-6143 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: July 24, 2026 at 11:48 AM.

FTC report from COLORADO

August 25, 2026 at 8:19 PM

866-554-5931 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 6:15 PM.

FTC report from Lakeland, FLORIDA

August 25, 2026 at 8:10 PM

866-398-3178 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: August 25, 2026 at 12:00 AM.

FTC report from PENNSYLVANIA

August 25, 2026 at 8:08 PM

866-521-6628 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 6:52 PM.

FTC report from Gordonsville, VIRGINIA

August 25, 2026 at 7:54 PM

866-771-4592 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: August 25, 2026 at 5:28 PM.

FTC report from Henrico, VIRGINIA

August 25, 2026 at 7:48 PM

866-461-3983 was logged as a robocall. Violation date: August 25, 2026 at 4:12 PM.