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Area Code Detail

Area Code 121

North American numbering plan area

Reports, 30 Days 1

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

Reports, 180 Days 12

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 3

Distinct NPA-NXX exchanges surfaced from routing and complaint 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.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
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.

NPA-NXX

Strongest exchanges inside area code 121

These prefixes combine recent complaint concentration with routing or assignment density, which makes them good candidates for indexing and exploration.

Prefix Complaint Score Routing Rows Companies Cities
121-055 12 0 0 0
121-497 4 0 0 0
121-571 4 0 0 0
Recent Signals

Latest complaint activity tied to 121

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

FTC report from Houston, TEXAS

April 6, 2026 at 11:58 AM

This report was logged as a robocall. Violation date: April 6, 2026 at 10:26 AM.

FTC report from Madison, WISCONSIN

February 19, 2026 at 2:56 PM

121-497-0260 was logged as a robocall. Violation date: February 18, 2026 at 3:53 PM.

FTC report from Durham, NORTH CAROLINA

February 17, 2026 at 12:46 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: November 17, 2024 at 12:38 PM.

FTC report from TEXAS

January 22, 2026 at 12:23 PM

This report was logged as a robocall. Violation date: January 13, 2026 at 12:00 AM.

FTC report from TEXAS

January 8, 2026 at 9:58 AM

121-571-0250 was logged as a robocall. Violation date: January 8, 2026 at 7:31 AM.

FTC report from Peoria, ARIZONA

January 6, 2026 at 6:34 PM

This report was logged as a live voice. Category: Medical & prescriptions. Violation date: December 15, 2025 at 12:00 PM.

FTC report from FLORIDA

December 16, 2025 at 4:47 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: December 16, 2025 at 3:02 PM.

FTC report from TEXAS

December 12, 2025 at 12:06 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: December 11, 2025 at 1:10 PM.

FTC report from CONNECTICUT

November 30, 2025 at 5:08 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: November 21, 2025 at 5:10 PM.

FTC report from Castroville, TEXAS

November 17, 2025 at 3:56 PM

121-055-2350 was logged as a unwanted call. Violation date: November 17, 2025 at 12:00 AM.

FTC report from Castroville, TEXAS

November 17, 2025 at 3:02 PM

121-055-2350 was logged as a unwanted call. Category: No Subject Provided. Violation date: November 17, 2025 at 12:00 AM.

FTC report from Castroville, TEXAS

November 17, 2025 at 3:02 PM

121-055-2350 was logged as a unwanted call. Category: No Subject Provided. Violation date: November 17, 2025 at 12:00 AM.

FTC report from Houston, TEXAS

September 1, 2025 at 7:30 PM

This report was logged as a unwanted call. Violation date: September 1, 2025 at 10:48 AM.

FTC report from Arcadia, INDIANA

August 19, 2025 at 12:46 PM

This report was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: August 19, 2025 at 12:38 PM.

FTC report from TEXAS

August 18, 2025 at 7:04 PM

121-430-4651 was logged as a robocall. Violation date: August 18, 2025 at 5:53 PM.

FTC report from Vero Beach, FLORIDA

August 8, 2025 at 4:18 PM

121-758-6947 was logged as a robocall. Category: Dropped call or no message. Violation date: August 8, 2025 at 2:37 PM.

FTC report from CALIFORNIA

August 5, 2025 at 10:40 PM

121-322-1168 was logged as a robocall. Category: Dropped call or no message. Violation date: August 5, 2025 at 10:22 AM.

FTC report from New Baden, ILLINOIS

August 5, 2025 at 1:45 PM

121-620-9049 was logged as a live voice. Violation date: August 1, 2025 at 10:45 AM.

FTC report from Albertson, NEW YORK

August 5, 2025 at 11:03 AM

This report was logged as a robocall. Violation date: August 5, 2025 at 10:21 AM.

FTC report from MISSISSIPPI

July 24, 2025 at 9:35 AM

121-675-5790 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: July 24, 2025 at 11:09 AM.

FTC report from Macedonia, OHIO

July 15, 2025 at 4:32 PM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: July 15, 2025 at 4:28 PM.

FTC report from Oak Lawn, ILLINOIS

July 2, 2025 at 4:55 PM

This report was logged as a live voice. Violation date: July 1, 2025 at 12:00 PM.

FTC report from Owens Cross Roads, ALABAMA

June 28, 2025 at 2:27 PM

This report was logged as a live voice. Category: Dropped call or no message. Violation date: June 28, 2025 at 1:24 PM.

FTC report from ARKANSAS

June 27, 2025 at 7:20 PM

121-243-6935 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: June 27, 2025 at 5:42 PM.

FTC report from Chico, CALIFORNIA

June 25, 2025 at 5:42 PM

121-857-0136 was logged as a robocall. Violation date: June 25, 2025 at 10:00 AM.

FTC report from Memphis, TENNESSEE

June 24, 2025 at 10:13 PM

121-649-7223 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: June 13, 2025 at 3:19 PM.

FTC report from Margate, FLORIDA

June 16, 2025 at 2:45 PM

This report was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: June 16, 2025 at 12:37 PM.

FTC report from NEW YORK

June 13, 2025 at 7:31 PM

This report was logged as a live voice. Violation date: June 13, 2025 at 6:53 PM.

FTC report from MICHIGAN

May 30, 2025 at 7:46 PM

121-366-2915 was logged as a live voice. Violation date: May 30, 2025 at 12:15 PM.

FTC report from Sherman, ILLINOIS

May 17, 2025 at 7:49 AM

This report was logged as a live voice. Category: Energy, solar, & utilities. Violation date: May 14, 2025 at 9:00 AM.

FTC report from Longview Tx, TEXAS

April 24, 2025 at 10:36 AM

This report was logged as a robocall. Violation date: April 18, 2025 at 11:11 AM.

FTC report from Michigan City, INDIANA

April 11, 2025 at 11:01 AM

This report was logged as a live voice. Violation date: April 11, 2025 at 9:59 AM.

FTC report from Michigan City, INDIANA

March 25, 2025 at 12:46 PM

This report was logged as a live voice. Violation date: March 24, 2025 at 4:18 PM.

FTC report from Perryopoliss, PENNSYLVANIA

March 22, 2025 at 4:27 PM

121-659-5529 was logged as a robocall. Violation date: March 21, 2025 at 12:56 PM.

FTC report from Bay Point, CALIFORNIA

March 18, 2025 at 10:59 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: March 17, 2025 at 12:24 PM.

FTC report from TEXAS

March 15, 2025 at 1:44 PM

This report was logged as a live voice. Category: No Subject Provided. Violation date: March 15, 2025 at 11:36 AM.

FTC report from San Antonio, TEXAS

March 6, 2025 at 4:01 PM

This report was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: March 6, 2025 at 12:00 AM.

FTC report from TEXAS

March 6, 2025 at 11:42 AM

This report was logged as a live voice. Category: No Subject Provided. Violation date: March 6, 2025 at 9:59 AM.

FTC report from TEXAS

March 5, 2025 at 8:50 PM

This report was logged as a live voice. Category: No Subject Provided. Violation date: March 5, 2025 at 9:59 AM.

FTC report from Hazen, NORTH DAKOTA

February 27, 2025 at 1:03 PM

This report was logged as a robocall. Category: Vacation & timeshares. Violation date: February 17, 2025 at 10:06 AM.