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Area Code Detail

Area Code 100

North American numbering plan area

Reports, 30 Days 3

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

Reports, 180 Days 26

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.

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

What this area code covers

Regional coverage varies across the NANP data sources on this site.

Recent Signals

Latest complaint activity tied to 100

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

FTC report from NEW YORK

April 23, 2026 at 11:56 AM

This report was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 22, 2026 at 12:00 PM.

FTC report from Jacksonville, NORTH CAROLINA

April 8, 2026 at 12:25 PM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: February 15, 2026 at 12:00 PM.

FTC report from MASSACHUSETTS

April 3, 2026 at 10:59 AM

This report was logged as a robocall. Violation date: October 1, 2025 at 10:42 AM.

FTC report from Granbury, TEXAS

March 17, 2026 at 11:49 AM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: March 17, 2026 at 10:30 AM.

FTC report from Edmond, OKLAHOMA

March 12, 2026 at 3:06 PM

This report was logged as a robocall. Violation date: March 12, 2026 at 1:01 PM.

FTC report from Gainesville, FLORIDA

March 11, 2026 at 6:33 PM

100-000-0000 was logged as a robocall. Category: Warranties & protection plans. Violation date: March 10, 2026 at 8:42 PM.

FTC report from Oviedo, FLORIDA

March 11, 2026 at 3:38 PM

This report was logged as a robocall. Violation date: March 5, 2026 at 2:39 PM.

FTC report from Orange, CALIFORNIA

March 5, 2026 at 3:32 PM

This report was logged as a live voice. Violation date: March 2, 2026 at 6:05 PM.

FTC report from NORTH CAROLINA

March 5, 2026 at 2:57 PM

This report was logged as a robocall. Violation date: March 5, 2026 at 2:53 PM.

FTC report from Aurora, INDIANA

March 5, 2026 at 2:27 PM

This report was logged as a live voice. Category: Dropped call or no message. Violation date: March 5, 2026 at 10:00 AM.

FTC report from Missouri, MISSOURI

March 4, 2026 at 2:43 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: March 4, 2026 at 8:00 AM.

FTC report from TEXAS

February 16, 2026 at 7:53 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: February 16, 2026 at 1:02 AM.

FTC report from Camano, WASHINGTON

February 11, 2026 at 12:17 PM

This report was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: January 25, 2026 at 12:00 PM.

FTC report from Pasadena, TEXAS

February 10, 2026 at 3:54 PM

This report was logged as a live voice. Category: No Subject Provided. Violation date: February 10, 2026 at 12:00 AM.

FTC report from Sand Springs, OKLAHOMA

February 9, 2026 at 8:24 PM

This report was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: February 9, 2025 at 6:22 PM.

FTC report from Mesa, ARIZONA

February 6, 2026 at 3:08 PM

This report was logged as a robocall. Violation date: February 6, 2026 at 12:00 PM.

FTC report from Atlanta, GEORGIA

February 4, 2026 at 10:05 AM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: January 1, 2026 at 12:00 PM.

FTC report from Youngsville, NORTH CAROLINA

January 31, 2026 at 1:55 PM

This report was logged as a robocall. Violation date: January 31, 2026 at 12:01 PM.

FTC report from Henderson, NORTH CAROLINA

January 30, 2026 at 10:21 AM

This report was logged as a robocall. Violation date: January 30, 2026 at 8:03 AM.

FTC report from Gouldsboro, PENNSYLVANIA

January 28, 2026 at 11:07 AM

This report was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: January 28, 2026 at 12:00 PM.

FTC report from FLORIDA

January 26, 2026 at 11:56 PM

This report was logged as a robocall. Violation date: January 25, 2026 at 12:00 AM.

FTC report from Beaufort, SOUTH CAROLINA

January 24, 2026 at 7:09 AM

This report was logged as a live voice. Violation date: January 24, 2026 at 6:50 AM.

FTC report from PENNSYLVANIA

January 18, 2026 at 3:10 PM

This report was logged as a robocall. Violation date: January 18, 2026 at 3:00 PM.

FTC report from Wake Forest, NORTH CAROLINA

December 5, 2025 at 8:36 PM

This report was logged as a live voice. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: December 5, 2025 at 12:00 PM.

FTC report from Pine Bluff, ARKANSAS

November 17, 2025 at 10:40 AM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: September 1, 2025 at 12:00 PM.

FTC report from Pine Bluff, ARKANSAS

November 17, 2025 at 10:39 AM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: September 1, 2025 at 12:00 PM.

FTC report from Zeeland, MICHIGAN

September 23, 2025 at 5:55 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 23, 2025 at 3:20 PM.

FTC report from Kennewick, WASHINGTON

September 12, 2025 at 6:10 PM

This report was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 12, 2025 at 12:00 PM.

FTC report from Woodbridge, VIRGINIA

September 10, 2025 at 9:32 AM

This report was logged as a robocall. Violation date: August 8, 2025 at 10:15 AM.

FTC report from Auburn Hills, MICHIGAN

September 4, 2025 at 11:45 AM

This report was logged as a live voice. Category: Medical & prescriptions. Violation date: September 4, 2025 at 10:00 AM.

FTC report from TENNESSEE

August 8, 2025 at 11:51 PM

This report was logged as a robocall. Violation date: February 1, 2024 at 12:00 PM.

FTC report from El Reno, OKLAHOMA

July 31, 2025 at 7:13 PM

This report was logged as a live voice. Violation date: July 3, 2025 at 12:00 PM.

FTC report from Waverly, TENNESSEE

July 18, 2025 at 11:26 AM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: July 1, 2025 at 12:00 PM.

FTC report from Oklahoma City, OKLAHOMA

July 10, 2025 at 12:57 PM

This report was logged as a robocall. Violation date: July 10, 2025 at 8:01 AM.

FTC report from Belleville, NEW JERSEY

June 30, 2025 at 5:18 PM

This report was logged as a robocall. Category: Energy, solar, & utilities. Violation date: June 30, 2025 at 12:00 PM.

FCC report from Philadelphia, PA

May 30, 2025 at 11:09 PM

100-100-1000 was logged as a live voice. Category: Other Services. Unwanted Calls. Contact method: Internet (VOIP).

FTC report from Liberty, NORTH CAROLINA

May 22, 2025 at 5:19 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: May 21, 2025 at 12:00 PM.

FTC report from Bushnell, FLORIDA

May 16, 2025 at 10:57 AM

This report was logged as a robocall. Violation date: April 27, 2025 at 12:00 PM.

FTC report from Locust Grove, GEORGIA

April 7, 2025 at 6:51 PM

100-000-0000 was logged as a live voice. Violation date: April 7, 2025 at 1:41 PM.

FTC report from CALIFORNIA

April 5, 2025 at 2:38 PM

This report was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 5, 2025 at 12:00 PM.