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240-403

You are reviewing the Area Code (NPA/NXX) report for 240-403. Did you mean to search the SMS short code 240403?

North American Phone Intelligence

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Examples: 206-739-5800, 206, 206-739, 48369
Raw Number240403
Basic Format240-403
NPA (Area Code)240
NXX403

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
240-403-0XXX829JPAETEC ITEL, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-403-1XXX829JPAETEC ITEL, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-403-2XXX829JPAETEC ITEL, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-403-3XXX829JPAETEC ITEL, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-403-4XXX829JPAETEC ITEL, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-403-5XXX829JPAETEC ITEL, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-403-6XXX829JPAETEC ITEL, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-403-7XXX318JCOMCAST IP PHONE, LLCWSNGTNZN10AS02/22/2008WASHINGTON ZONE 10MDMA03/05/2008
240-403-8XXX829JPAETEC ITEL, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-403-9XXX829JPAETEC ITEL, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-403-XXXX829JPAETEC ITEL, LLCWSNGTNZN10ASWASHINGTON ZONE 10MD

Business/Government Phones on the 240-403 Prefix

PhoneNameAddress
240-403-1285Eastern Title and Settlement
240-403-7129AT&T14929 Shady Grove Road Rockville 20850 US
240-403-7342Duke's Grocery10128 River Road Potomac 20854 US
240-403-7456Playa Bowls7733 Tuckerman Lane Potomac 20854 US
240-403-7699Feasty Crab16811 Crabbs Branch Way Derwood 20855 US
240-403-8387Woodley Gardens Veterinary Care1123 Nelson Street Rockville 20850 US

Reports

Anonymous User from , MD

January 30, 2026 at 7:00 PM

240-403-2440 reported as a Robocall. Received on January 30, 2026 at 6:25 PM.
Call for Dropped call or no message

Anonymous User from Elkridge, Maryland

September 26, 2025 at 2:07 PM

240-403-8671 reported as a Live Voice or Other. Received on September 26, 2025 at 1:30 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Owings Mills, Maryland

July 31, 2025 at 1:30 AM

240-403-9715 reported as a Live Voice or Other. Received on July 30, 2025 at 10:22 AM.
Call for Medical & prescriptions

Anonymous User from Fort Washington, Maryland

July 15, 2025 at 6:35 PM

240-403-8711 reported as a Robocall. Received on July 15, 2025 at 1:57 PM.

Anonymous User from Harrisburg, North Carolina

June 13, 2025 at 4:41 PM

240-403-6485 reported as a unwanted call. Received on June 5, 2025 at 10:02 AM.

Anonymous User from , DC

March 2, 2025 at 8:48 AM

240-403-1273 reported as a Live Voice or Other. Received on March 2, 2025 at 5:30 AM.

Anonymous User from Brunswick, Maryland

October 1, 2024 at 6:49 PM

240-403-7286 reported as a Robocall. Received on October 1, 2024 at 3:31 PM.

Anonymous User from Bevery Hills, Michigan

September 20, 2024 at 3:37 PM

240-403-0152 reported as a Live Voice or Other. Received on September 19, 2024 at 6:25 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Bethesda, Maryland

January 29, 2024 at 4:58 PM

240-403-3317 reported as a Live Voice or Other. Received on January 29, 2024 at 4:52 PM.
Call for Energy, solar, & utilities

Anonymous User from , DE

January 22, 2024 at 10:59 AM

240-403-5947 reported as a Live Voice or Other. Received on January 22, 2024 at 10:47 AM.

Anonymous User from , MD

June 16, 2022 at 10:01 PM

240-403-6086 reported as a Robocall. Received on June 16, 2022 at 10:21 AM.
Call for Calls pretending to be government, businesses, or family and friends

Most 'popular' numbers on this prefix:

240-403-0XXX: 240-403-0150 | 240-403-0153 | 240-403-0158 | 240-403-0176 | 240-403-0178 |
240-403-1XXX: 240-403-1234 | 240-403-1270 | 240-403-1277 | 240-403-1278 | 240-403-1280 |
240-403-2XXX: 240-403-2600 | 240-403-2606 | 240-403-2607 | 240-403-2609 | 240-403-2667 | 240-403-2668 |
240-403-3XXX: 240-403-3300 | 240-403-3310 | 240-403-3311 | 240-403-3313 | 240-403-3333 | 240-403-3399 |
240-403-4XXX: 240-403-4010 | 240-403-4020 | 240-403-4040 | 240-403-4045 | 240-403-4047 | 240-403-4100 | 240-403-4106 | 240-403-4109 | 240-403-4188 | 240-403-4800 | 240-403-4807 | 240-403-4808 |
240-403-5XXX: 240-403-5945 | 240-403-5947 | 240-403-5949 | 240-403-5959 | 240-403-5996 | 240-403-5997 |
240-403-6XXX: 240-403-6004 | 240-403-6006 | 240-403-6008 | 240-403-6080 | 240-403-6083 | 240-403-6088 |
240-403-7XXX: 240-403-7258 | 240-403-7272 | 240-403-7278 | 240-403-7280 | 240-403-7283 | 240-403-7288 | 240-403-7452 | 240-403-7453 | 240-403-7454 | 240-403-7458 | 240-403-7654 | 240-403-7658 | 240-403-7667 | 240-403-7690 | 240-403-7695 | 240-403-7699 |