Area Code Detail

Area Code 866

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

Reports, 30 Days 5,726

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

Reports, 180 Days 33,253

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.

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Toll-free telephone service

created as a further expansion of 800

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Calling and billing notes

📞 Toll-Free Number Detected

The phone number you entered is a toll-free number, typically used for businesses to allow customers to contact them without incurring call charges. These numbers are widely used for customer support, inquiries, and services.

866-398-3898

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

866-959-1247

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

866-959-1499

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

866-878-6825

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

866-573-3811

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

866-371-6944

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

866-771-6780

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

866-457-7143

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

866-690-2762

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

FTC report from Manteca, CALIFORNIA

September 16, 2026 at 11:38 PM

866-551-2937 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 16, 2026 at 9:03 PM.

FTC report from Arlington, DISTRICT OF COLUMBIA

September 16, 2026 at 10:07 PM

866-556-3631 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 10, 2026 at 9:06 PM.

FTC report from Flanders, NEW JERSEY

September 16, 2026 at 9:56 PM

866-666-1180 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 12, 2026 at 12:45 PM.

FTC report from Phoenix, ARIZONA

September 16, 2026 at 9:54 PM

866-771-6584 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 15, 2026 at 2:02 PM.

FTC report from Henderson, NEVADA

September 16, 2026 at 9:29 PM

866-554-8056 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 10, 2026 at 6:41 AM.

FTC report from Lubbock, TEXAS

September 16, 2026 at 9:22 PM

866-324-0445 was logged as a robocall. Violation date: September 9, 2026 at 10:37 AM.

FTC report from GEORGIA

September 16, 2026 at 9:19 PM

866-590-9874 was logged as a robocall. Violation date: September 16, 2026 at 8:13 PM.

FTC report from Henderson, NEVADA

September 16, 2026 at 9:11 PM

866-434-8010 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 15, 2026 at 1:34 PM.

FTC report from Greeley, COLORADO

September 16, 2026 at 9:00 PM

866-417-3493 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 16, 2026 at 5:36 PM.

FTC report from Alexandria, VIRGINIA

September 16, 2026 at 8:59 PM

866-267-3193 was logged as a robocall. Violation date: September 16, 2026 at 5:46 PM.

FTC report from ARIZONA

September 16, 2026 at 8:54 PM

866-637-5971 was logged as a live voice. Violation date: September 15, 2026 at 2:50 AM.

FTC report from Ebensburg, PENNSYLVANIA

September 16, 2026 at 8:52 PM

866-270-0145 was logged as a robocall. Violation date: September 8, 2026 at 6:27 PM.

FTC report from Colorado Springs, COLORADO

September 16, 2026 at 8:52 PM

866-826-5565 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 16, 2026 at 6:24 PM.

FTC report from GEORGIA

September 16, 2026 at 8:51 PM

866-906-4133 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 16, 2026 at 11:15 PM.

FTC report from Philadelphia, PENNSYLVANIA

September 16, 2026 at 8:50 PM

866-701-3865 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 16, 2026 at 4:51 PM.

FTC report from Pasadena, TEXAS

September 16, 2026 at 8:48 PM

866-771-4974 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 16, 2026 at 11:42 PM.

FTC report from FLORIDA

September 16, 2026 at 8:44 PM

866-321-8196 was logged as a live voice. Violation date: September 16, 2026 at 8:08 PM.

FTC report from Moraga, CALIFORNIA

September 16, 2026 at 8:40 PM

866-554-3591 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 14, 2026 at 10:30 AM.

FTC report from Moraga, CALIFORNIA

September 16, 2026 at 8:39 PM

866-556-6641 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 14, 2026 at 2:22 PM.

FTC report from Bloomingdale, ILLINOIS

September 16, 2026 at 8:21 PM

866-679-8848 was logged as a live voice. Violation date: September 16, 2026 at 1:51 PM.

FTC report from FLORIDA

September 16, 2026 at 8:14 PM

866-822-5367 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 16, 2026 at 8:00 PM.

FTC report from CALIFORNIA

September 16, 2026 at 8:02 PM

866-496-8509 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 15, 2026 at 10:02 AM.

FTC report from Pinckney, MICHIGAN

September 16, 2026 at 8:01 PM

866-712-1002 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 9, 2026 at 5:27 PM.

FTC report from LOUISIANA

September 16, 2026 at 7:59 PM

866-556-3436 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 11, 2026 at 2:10 PM.

FTC report from NEW JERSEY

September 16, 2026 at 7:57 PM

866-840-5905 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 16, 2026 at 10:00 AM.

FTC report from LOUISIANA

September 16, 2026 at 7:57 PM

866-554-0116 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 13, 2026 at 7:04 PM.

FTC report from CALIFORNIA

September 16, 2026 at 7:53 PM

866-554-1613 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 14, 2026 at 6:49 PM.

FTC report from LOUISIANA

September 16, 2026 at 7:50 PM

866-556-3815 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 15, 2026 at 6:16 AM.

FTC report from Independence, KENTUCKY

September 16, 2026 at 7:50 PM

866-775-4974 was logged as a robocall. Violation date: September 16, 2026 at 7:45 PM.

FTC report from ALABAMA

September 16, 2026 at 7:49 PM

866-386-4880 was logged as a live voice. Violation date: September 16, 2026 at 2:00 PM.

FTC report from CALIFORNIA

September 16, 2026 at 7:45 PM

866-771-4974 was logged as a robocall. Violation date: September 16, 2026 at 3:05 PM.

FTC report from VIRGINIA

September 16, 2026 at 7:37 PM

866-282-1316 was logged as a robocall. Violation date: September 16, 2026 at 6:41 PM.

FTC report from CALIFORNIA

September 16, 2026 at 7:31 PM

866-771-4369 was logged as a robocall. Category: No Subject Provided. Violation date: September 11, 2026 at 3:05 PM.

FTC report from Homestead, FLORIDA

September 16, 2026 at 7:23 PM

866-439-3557 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 14, 2026 at 12:00 AM.

FTC report from Lexington, KENTUCKY

September 16, 2026 at 7:20 PM

866-771-6584 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: September 15, 2026 at 4:45 PM.

FTC report from Houston, TEXAS

September 16, 2026 at 7:06 PM

866-614-0323 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 16, 2026 at 12:00 PM.

FTC report from MARYLAND

September 16, 2026 at 6:59 PM

866-417-4528 was logged as a robocall. Category: Dropped call or no message. Violation date: September 16, 2026 at 7:00 PM.

FTC report from GEORGIA

September 16, 2026 at 6:53 PM

866-771-4974 was logged as a robocall. Violation date: September 16, 2026 at 6:49 PM.

FTC report from Jefferson City, MISSOURI

September 16, 2026 at 6:51 PM

866-392-4613 was logged as a robocall. Violation date: September 16, 2026 at 3:45 PM.

FTC report from Christiana, TENNESSEE

September 16, 2026 at 6:50 PM

866-771-6477 was logged as a robocall. Violation date: September 10, 2026 at 12:01 PM.