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Area Code Detail

Area Code 523

North American numbering plan area

Reports, 30 Days 4

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

Reports, 180 Days 33

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.

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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 523

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

FTC report from Montrose, COLORADO

May 13, 2026 at 5:12 PM

This report was logged as a live voice. Violation date: May 11, 2026 at 6:12 PM.

FTC report from Midland, VIRGINIA

May 1, 2026 at 11:10 AM

This report was logged as a live voice. Violation date: May 1, 2026 at 10:58 AM.

FTC report from CALIFORNIA

April 29, 2026 at 7:27 PM

This report was logged as a live voice. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: April 29, 2026 at 3:19 PM.

FTC report from Los Angeles, CALIFORNIA

April 22, 2026 at 8:08 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: April 22, 2026 at 12:00 PM.

FTC report from Jupiter, FLORIDA

April 2, 2026 at 12:37 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: March 23, 2026 at 12:00 PM.

FTC report from Wheeling, ILLINOIS

March 31, 2026 at 4:12 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: March 31, 2026 at 12:00 PM.

FCC report from Oneida, TN

March 18, 2026 at 5:10 AM

523-224-4550 was logged as a prerecorded voice. Category: Other Services. Unwanted Calls. Contact method: Wireless (cell phone/other mobile device).

FTC report from Akron, OHIO

March 17, 2026 at 10:24 AM

This report was logged as a robocall. Violation date: March 11, 2026 at 4:57 PM.

FTC report from Palisade, COLORADO

March 14, 2026 at 11:32 PM

This report was logged as a robocall. Violation date: March 13, 2026 at 1:48 PM.

FTC report from Saint Louis, MISSOURI

March 13, 2026 at 3:39 PM

This report was logged as a robocall. Violation date: March 13, 2026 at 2:25 PM.

FTC report from Beverly, MASSACHUSETTS

March 13, 2026 at 9:30 AM

This report was logged as a live voice. Category: Warranties & protection plans. Violation date: March 13, 2026 at 12:00 PM.

FTC report from FLORIDA

March 12, 2026 at 7:32 AM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: March 12, 2026 at 7:10 AM.

FTC report from LOUISIANA

March 6, 2026 at 2:44 AM

This report was logged as a robocall. Category: Lotteries, prizes & sweepstakes. Violation date: March 1, 2026 at 6:01 AM.

FTC report from Palisade, COLORADO

March 4, 2026 at 10:54 AM

This report was logged as a robocall. Violation date: February 24, 2026 at 10:10 AM.

FTC report from Glendale, ARIZONA

February 27, 2026 at 2:22 PM

523-271-7426 was logged as a robocall. Category: Medical & prescriptions. Violation date: February 26, 2026 at 2:03 PM.

FTC report from Palisade, COLORADO

February 26, 2026 at 10:23 AM

This report was logged as a robocall. Violation date: February 24, 2026 at 10:10 AM.

FTC report from Palisade, COLORADO

February 26, 2026 at 10:13 AM

This report was logged as a robocall. Violation date: February 19, 2026 at 7:50 AM.

FTC report from Reseda, CALIFORNIA

February 24, 2026 at 2:18 PM

523-676-9936 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: February 23, 2026 at 2:20 PM.

FTC report from Roseburg, OREGON

February 23, 2026 at 3:32 PM

523-850-7070 was logged as a robocall. Violation date: February 23, 2026 at 12:05 PM.

FTC report from Vidor, TEXAS

February 20, 2026 at 9:48 AM

This report was logged as a live voice. Violation date: February 19, 2026 at 11:55 AM.

FTC report from Reno, CALIFORNIA

February 19, 2026 at 6:21 PM

This report was logged as a unwanted call. Violation date: February 19, 2026 at 11:58 AM.

FTC report from Harrison, OHIO

February 13, 2026 at 2:44 PM

523-472-0531 was logged as a live voice. Violation date: February 13, 2026 at 2:38 PM.

FTC report from NORTH CAROLINA

February 11, 2026 at 3:40 PM

This report was logged as a live voice. Violation date: February 11, 2026 at 9:07 AM.

FTC report from Lafollette, TENNESSEE

February 5, 2026 at 6:08 PM

523-478-0823 was logged as a robocall. Violation date: February 6, 2025 at 12:00 PM.

FTC report from Augusta, GEORGIA

January 24, 2026 at 10:23 AM

523-786-5498 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: January 23, 2026 at 12:00 PM.

FTC report from ILLINOIS

January 16, 2026 at 7:44 AM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: January 16, 2026 at 5:53 AM.

FTC report from Gilbert, ARIZONA

January 6, 2026 at 2:51 PM

This report was logged as a live voice. Category: Warranties & protection plans. Violation date: December 16, 2025 at 8:17 AM.

FTC report from TEXAS

January 3, 2026 at 10:53 PM

This report was logged as a robocall. Violation date: January 3, 2026 at 4:23 PM.

FTC report from Middletown, OHIO

December 20, 2025 at 4:21 PM

523-856-9843 was logged as a robocall. Category: Work from home & other ways to make money. Violation date: July 20, 2025 at 4:03 AM.

FTC report from Compton, CALIFORNIA

December 7, 2025 at 4:13 PM

This report was logged as a robocall. Category: Warranties & protection plans. Violation date: December 7, 2025 at 11:35 AM.

FTC report from WISCONSIN

December 4, 2025 at 12:47 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: December 3, 2025 at 12:00 PM.

FTC report from Haughton, LOUISIANA

December 1, 2025 at 6:13 PM

This report was logged as a live voice. Category: Medical & prescriptions. Violation date: December 1, 2025 at 3:45 PM.

FTC report from Roseburg, OREGON

November 24, 2025 at 10:21 AM

523-474-4939 was logged as a robocall. Violation date: November 24, 2025 at 6:43 AM.

FTC report from OHIO

November 22, 2025 at 10:32 AM

523-548-5372 was logged as a robocall. Category: Medical & prescriptions. Violation date: November 22, 2025 at 10:30 AM.

FTC report from Hendersonville, NORTH CAROLINA

November 14, 2025 at 8:03 AM

This report was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: November 10, 2025 at 12:00 PM.

FTC report from Hickory Hills, ILLINOIS

September 29, 2025 at 2:02 PM

This report was logged as a live voice. Violation date: September 29, 2025 at 12:00 PM.

FTC report from CALIFORNIA

September 25, 2025 at 10:05 PM

This report was logged as a robocall. Violation date: September 25, 2025 at 5:52 PM.

FTC report from CALIFORNIA

September 25, 2025 at 10:04 PM

This report was logged as a robocall. Violation date: September 25, 2025 at 6:56 PM.

FTC report from ILLINOIS

September 20, 2025 at 1:17 PM

This report was logged as a live voice. Violation date: September 20, 2025 at 12:00 PM.

FTC report from Mayking, FLORIDA

September 20, 2025 at 12:59 PM

This report was logged as a live voice. Violation date: September 20, 2025 at 12:12 PM.