phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

240-523

You are reviewing the Area Code (NPA/NXX) report for 240-523. Did you mean to search the SMS short code 240523?

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
Raw Number240523
Basic Format240-523
NPA (Area Code)240
NXX523

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
240-523-0XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCLA PLATARTLA PLATAMDMA
240-523-1XXX829JPAETEC ITEL, LLCLA PLATAAS01/15/2004LA PLATAMDMA02/05/2004
240-523-2XXX6119LEVEL 3 COMMUNICATIONS, LLC - MDLA PLATAAS06/20/2005LA PLATAMDMA07/15/2005
240-523-3XXX071FBANDWIDTH.COM CLEC, LLC - MDLA PLATAAS09/17/2010LA PLATAMDMA10/17/2010
240-523-4XXX6119LEVEL 3 COMMUNICATIONS, LLC - MDLA PLATAAS02/10/2004LA PLATAMDMA03/02/2004
240-523-5XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCLA PLATAAS07/20/2005LA PLATAMDMA08/15/2005
240-523-6XXX145JTERRA NOVA TELECOM INC.LA PLATAAS01/14/2025LA PLATAMDMA02/13/2025
240-523-7XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCLA PLATAAS07/20/2005LA PLATAMDMA08/15/2005
240-523-8XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCLA PLATAAS07/20/2005LA PLATAMDMA08/15/2005
240-523-9XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCLA PLATARTLA PLATAMDMA
240-523-XXXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCLA PLATAAS02/13/2001LA PLATAMD

Reports

Anonymous User from Kingman, Arizona

November 24, 2025 at 10:33 AM

240-523-3891 reported as a Live Voice or Other. Received on November 11, 2025 at 4:52 AM.

Anonymous User from Semmes, Alabama

June 19, 2025 at 8:00 PM

240-523-4728 reported as a Robocall. Received on June 18, 2025 at 8:04 AM.
Call for Charities

Anonymous User from , NY

May 2, 2025 at 6:18 PM

240-523-2285 reported as a Live Voice or Other. Received on May 2, 2025 at 5:46 PM.

Anonymous User from Glen Burnie, Maryland

March 5, 2025 at 6:28 PM

240-523-4005 reported as a Robocall. Received on March 4, 2025 at 6:24 PM.

Anonymous User from Rockville, Maryland

March 30, 2024 at 4:19 PM

240-523-5602 reported as a Live Voice or Other. Received on March 29, 2024 at 3:58 PM.
Call for Dropped call or no message

Anonymous User from , DC

March 6, 2024 at 3:35 PM

240-523-4343 reported as a Live Voice or Other. Received on March 6, 2024 at 12:00 AM.
Call for Lotteries, prizes & sweepstakes

Anonymous User from Washington, District of Columbia

October 19, 2022 at 10:30 AM

240-523-4368 reported as a Live Voice or Other. Received on October 19, 2022 at 10:20 AM.

Anonymous User from Annapolis, Maryland

July 30, 2022 at 4:48 PM

240-523-0708 reported as a Robocall. Received on July 28, 2022 at 4:27 PM.

Anonymous User from Silver Spring, MD

January 13, 2021 at 3:33 AM

240-523-4936 reported as a Abandoned Calls. Received on January 12, 2021 at 7:37 PM.
Unwanted call for unknown
Contacted via Internet (VOIP)

Anonymous User from , LA

March 30, 2017 at 3:10 PM

240-523-5311 reported as a Prerecorded Voice. Received on March 30, 2017 at 12:00 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , ID

March 28, 2017 at 10:10 PM

None reported as a Live Voice. Received on March 28, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 240-523-5211
Contacted via Wired

Anonymous User from , MO

March 22, 2017 at 3:45 PM

None reported as a Prerecorded Voice. Received on March 22, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 240-523-5211
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , MD

August 26, 2016 at 12:40 AM

reported as a Live Voice. Received on August 25, 2016 at 6:31 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 240-523-3533
Contacted via Wired

Anonymous User from , CA

January 21, 2016 at 7:06 PM

reported as a Prerecorded Voice. Received on January 21, 2016 at 9:45 AM.
Robocall for unknown
Caller ID indicated they called from 240-523-3767
Contacted via Wireless (cell phone/other mobile device)

Most 'popular' numbers on this prefix:

240-523-0XXX: 240-523-0700 | 240-523-0702 | 240-523-0707 | 240-523-0777 |
240-523-2XXX: 240-523-2100 | 240-523-2121 | 240-523-2122 | 240-523-2123 | 240-523-2144 | 240-523-2149 |
240-523-3XXX: 240-523-3500 | 240-523-3530 | 240-523-3533 | 240-523-3535 | 240-523-3550 | 240-523-3760 | 240-523-3762 | 240-523-3765 | 240-523-3776 | 240-523-3777 | 240-523-3778 | 240-523-3800 | 240-523-3880 | 240-523-3883 | 240-523-3888 |
240-523-4XXX: 240-523-4000 | 240-523-4003 | 240-523-4007 | 240-523-4040 | 240-523-4062 | 240-523-4300 | 240-523-4900 | 240-523-4930 | 240-523-4932 | 240-523-4939 | 240-523-4997 | 240-523-4998 |
240-523-5XXX: 240-523-5200 | 240-523-5212 | 240-523-5215 | 240-523-5217 | 240-523-5300 | 240-523-5311 | 240-523-5315 | 240-523-5317 | 240-523-5340 | 240-523-5600 | 240-523-5601 | 240-523-5606 | 240-523-5660 |
240-523-6XXX: 240-523-6200 | 240-523-6250 | 240-523-6255 | 240-523-6258 |