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

240-404

You are reviewing the Area Code (NPA/NXX) report for 240-404. Did you mean to search the SMS short code 240404?

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
Raw Number240404
Basic Format240-404
NPA (Area Code)240
NXX404

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
240-404-0XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCGAITHERSBGRTGAITHERSBURGMDMA
240-404-1XXX9212VERIZON MARYLAND, INC.GAITHERSBGAS05/29/2002GAITHERSBURGMDMA07/01/2002
240-404-2XXX9212VERIZON MARYLAND, INC.GAITHERSBGAS05/29/2002GAITHERSBURGMDMA07/01/2002
240-404-3XXX9212VERIZON MARYLAND, INC.GAITHERSBGAS05/29/2002GAITHERSBURGMDMA07/01/2002
240-404-4XXX9212VERIZON MARYLAND, INC.GAITHERSBGAS05/29/2002GAITHERSBURGMDMA07/01/2002
240-404-5XXX9212VERIZON MARYLAND, INC.GAITHERSBGAS05/29/2002GAITHERSBURGMDMA07/01/2002
240-404-6XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCGAITHERSBGAS07/20/2005GAITHERSBURGMDMA08/15/2005
240-404-7XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCGAITHERSBGAS07/20/2005GAITHERSBURGMDMA08/15/2005
240-404-8XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCGAITHERSBGAS05/27/2008GAITHERSBURGMDMA06/09/2008
240-404-9XXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCGAITHERSBGRTGAITHERSBURGMDMA
240-404-XXXX7229MCIMETRO ACCESS TRANSMISSION SERVICES LLCGAITHERSBGAS02/13/2001GAITHERSBURGMD

Business/Government Phones on the 240-404 Prefix

PhoneNameAddress
240-404-0207TrueDecks

Reports

Anonymous User from Silver Spring, Maryland

April 8, 2026 at 9:51 AM

240-404-8918 reported as a Robocall. Received on April 8, 2026 at 9:00 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from , MD

November 24, 2025 at 2:13 PM

240-404-7566 reported as a Live Voice or Other. Received on November 24, 2025 at 2:09 PM.
Call for Home improvement & cleaning

Anonymous User from Greenwell Springs, Louisiana

April 25, 2024 at 2:52 PM

2404045 reported as a Robocall. Received on April 25, 2024 at 1:13 PM.

Anonymous User from , MD

December 13, 2016 at 10:30 PM

None reported as a Abandoned Calls. Received on December 13, 2016 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 240-404-8499
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , DE

October 20, 2016 at 2:12 PM

reported as a Live Voice. Received on October 19, 2016 at 5:53 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 240-404-3515
Contacted via Wired

Most 'popular' numbers on this prefix:

240-404-0XXX: 240-404-0200 | 240-404-0202 | 240-404-0205 | 240-404-0236 | 240-404-0238 | 240-404-0248 | 240-404-0303 | 240-404-0380 | 240-404-0383 | 240-404-0388 |
240-404-1XXX: 240-404-1108 | 240-404-1111 | 240-404-1191 | 240-404-1195 | 240-404-1199 | 240-404-1234 | 240-404-1280 | 240-404-1290 | 240-404-1295 | 240-404-1299 |
240-404-2XXX: 240-404-2110 | 240-404-2111 | 240-404-2112 | 240-404-2169 | 240-404-2196 | 240-404-2198 |
240-404-3XXX: 240-404-3500 | 240-404-3510 | 240-404-3511 | 240-404-3515 | 240-404-3556 | 240-404-3558 |
240-404-7XXX: 240-404-7650 | 240-404-7653 | 240-404-7654 | 240-404-7667 |
240-404-8XXX: 240-404-8453 | 240-404-8454 | 240-404-8458 | 240-404-8493 | 240-404-8496 | 240-404-8497 | 240-404-8500 | 240-404-8556 | 240-404-8559 | 240-404-8590 | 240-404-8595 | 240-404-8599 |