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Area Code Detail

Area Code 644

North American numbering plan area

Reports, 30 Days 1

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

Reports, 180 Days 7

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 644

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

April 14, 2026 at 2:57 PM

This report was logged as a live voice. Violation date: April 13, 2026 at 2:13 PM.

FTC report from Palisade, COLORADO

March 7, 2026 at 10:58 AM

This report was logged as a robocall. Violation date: March 6, 2026 at 11:48 AM.

FTC report from Vaiden, MISSISSIPPI

February 6, 2026 at 7:16 PM

644-352-1217 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: February 6, 2026 at 6:12 PM.

FTC report from Hilliard, OHIO

January 16, 2026 at 7:12 PM

644-315-8662 was logged as a unwanted call. Category: No Subject Provided. Violation date: January 14, 2026 at 10:14 AM.

FTC report from Holladay, TENNESSEE

January 2, 2026 at 2:30 PM

644-209-3370 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: January 2, 2026 at 1:20 PM.

FTC report from Quincy, MASSACHUSETTS

December 15, 2025 at 7:11 PM

644-492-0005 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: December 15, 2025 at 6:25 PM.

FTC report from Wexford, PENNSYLVANIA

November 25, 2025 at 11:41 AM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: November 25, 2025 at 9:15 AM.

FCC report from St Louis, MO

August 20, 2025 at 7:03 PM

644-536-9618 was logged as a text message. Unwanted Calls. Contact method: Wireless (cell phone/other mobile device).

FTC report from Conover, NORTH CAROLINA

August 8, 2025 at 3:37 PM

644-245-1380 was logged as a robocall. Violation date: August 8, 2025 at 12:00 AM.

FTC report from Red Bud, ILLINOIS

July 26, 2025 at 1:21 PM

644-720-0826 was logged as a robocall. Category: Dropped call or no message. Violation date: July 21, 2025 at 9:45 AM.

FTC report from Fayetteville, NORTH CAROLINA

July 3, 2025 at 5:10 PM

This report was logged as a robocall. Violation date: November 8, 2024 at 6:18 PM.

FTC report from WISCONSIN

June 10, 2025 at 3:50 PM

This report was logged as a live voice. Category: Medical & prescriptions. Violation date: June 10, 2025 at 12:36 PM.

FTC report from Kennewick, WASHINGTON

January 10, 2025 at 1:12 PM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: January 9, 2025 at 1:40 PM.

FTC report from Mansura, LOUISIANA

November 26, 2024 at 10:05 PM

644-793-2872 was logged as a robocall. Violation date: November 26, 2024 at 1:35 PM.

FTC report from Land O' Lakes, FLORIDA

July 19, 2024 at 11:51 AM

644-215-7716 was logged as a live voice. Category: Medical & prescriptions. Violation date: July 19, 2024 at 11:17 AM.

FTC report from Swanton, VERMONT

June 12, 2024 at 1:06 PM

This report was logged as a robocall. Violation date: June 12, 2024 at 11:04 AM.

FTC report from Baysdie, NEW YORK

June 4, 2024 at 5:22 PM

This report was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: June 2, 2024 at 10:49 AM.

FTC report from Dayton, OHIO

May 21, 2024 at 9:57 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: May 14, 2024 at 10:01 AM.

FTC report from TEXAS

April 20, 2024 at 6:29 PM

644-352-3987 was logged as a live voice. Category: Lotteries, prizes & sweepstakes. Violation date: April 16, 2024 at 2:34 AM.

FTC report from Abbeville, SOUTH CAROLINA

April 8, 2024 at 10:39 AM

This report was logged as a robocall. Violation date: April 8, 2024 at 8:41 AM.

FTC report from CALIFORNIA

April 1, 2024 at 6:03 PM

644-733-4942 was logged as a live voice. Violation date: April 1, 2024 at 2:49 PM.

FTC report from Thousand Oaks, CALIFORNIA

March 6, 2024 at 10:14 AM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: March 5, 2024 at 12:00 AM.

FTC report from Chevy Chase, MARYLAND

February 27, 2024 at 12:39 PM

644-681-0815 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: February 26, 2024 at 3:52 PM.

FTC report from Green Bay, WISCONSIN

February 14, 2024 at 3:57 PM

This report was logged as a robocall. Violation date: February 14, 2024 at 10:28 AM.

FTC report from MICHIGAN

January 24, 2024 at 9:31 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: January 24, 2024 at 10:52 AM.

FTC report from FLORIDA

November 28, 2023 at 9:49 AM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: November 28, 2023 at 9:40 AM.

FTC report from San Diego, CALIFORNIA

October 28, 2023 at 12:12 PM

This report was logged as a robocall. Category: Dropped call or no message. Violation date: October 27, 2023 at 3:25 PM.

FTC report from Califon, NEW JERSEY

October 25, 2023 at 3:32 PM

This report was logged as a live voice. Violation date: October 25, 2023 at 3:09 PM.

FTC report from Elkin, NORTH CAROLINA

August 8, 2023 at 11:42 AM

This report was logged as a unwanted call. Violation date: August 8, 2023 at 10:16 AM.

FTC report from CALIFORNIA

April 15, 2023 at 9:24 PM

644-440-8701 was logged as a live voice. Category: No Subject Provided. Violation date: April 15, 2023 at 10:10 AM.

FTC report from Celebration, FLORIDA

April 10, 2023 at 6:05 PM

This report was logged as a robocall. Violation date: April 5, 2023 at 11:40 AM.

FTC report from NEW YORK

March 30, 2023 at 6:51 PM

644-997-9989 was logged as a robocall. Category: No Subject Provided. Violation date: March 29, 2023 at 12:00 AM.

FTC report from Montrose, COLORADO

January 10, 2023 at 1:59 PM

This report was logged as a robocall. Violation date: January 10, 2023 at 11:54 AM.

FTC report from Tarpon Springs, FLORIDA

January 2, 2023 at 10:16 AM

644-324-1765 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: January 2, 2023 at 10:11 AM.

FTC report from PENNSYLVANIA

December 20, 2022 at 11:54 AM

This report was logged as a robocall. Violation date: December 20, 2022 at 11:10 AM.

FTC report from Inverness, FLORIDA

December 6, 2022 at 10:27 AM

644-512-2797 was logged as a robocall. Violation date: December 6, 2022 at 10:05 AM.

FTC report from Culver City, CALIFORNIA

September 2, 2022 at 7:59 PM

644-792-8434 was logged as a robocall. Category: Dropped call or no message. Violation date: September 2, 2022 at 10:56 AM.

FTC report from Montrose, COLORADO

August 31, 2022 at 7:06 PM

This report was logged as a robocall. Violation date: August 29, 2022 at 10:35 AM.

FTC report from Waterford, MICHIGAN

August 19, 2022 at 6:49 PM

644-499-1703 was logged as a live voice. Violation date: August 19, 2022 at 4:54 PM.

FTC report from Hazel Park, MICHIGAN

August 10, 2022 at 7:53 PM

644-513-2297 was logged as a robocall. Violation date: August 5, 2022 at 3:16 PM.