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240-421

You are reviewing the Area Code (NPA/NXX) report for 240-421. Did you mean to search the SMS short code 240421?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number240421
Basic Format240-421
NPA (Area Code)240
NXX421

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
240-421-0XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-421-1XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-421-2XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-421-3XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10AS07/07/2005WASHINGTON ZONE 10MDMA08/01/2005
240-421-4XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10AS08/17/2005WASHINGTON ZONE 10MDMA09/15/2005
240-421-5XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10AS09/12/2005WASHINGTON ZONE 10MDMA10/09/2005
240-421-6XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-421-7XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10AS11/17/2005WASHINGTON ZONE 10MDMA12/17/2005
240-421-8XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10AS06/17/2008WASHINGTON ZONE 10MDMA07/17/2008
240-421-9XXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10RTWASHINGTON ZONE 10MDMA
240-421-XXXX6855OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSNGTNZN10AS04/09/2001WASHINGTON ZONE 10MD

Business/Government Phones on the 240-421 Prefix

PhoneNameAddress
240-421-7637Gladiator Sanitation & Dumpster Rental LLC

Reports

Anonymous User from Clarksburg, Maryland

September 4, 2025 at 5:04 PM

240-421-1681 reported as a unwanted call. Received on September 4, 2025 at 1:59 PM.

Anonymous User from Potomac, Maryland

July 1, 2024 at 6:10 PM

240-421-7417 reported as a Live Voice or Other. Received on July 1, 2024 at 6:08 PM.
Call for Medical & prescriptions

Anonymous User from Germantown, Maryland

October 13, 2023 at 3:40 PM

240-421-6653 reported as a Robocall. Received on October 13, 2023 at 3:36 PM.
Call for Dropped call or no message

Anonymous User from , CA

August 14, 2023 at 1:14 AM

240-421-1528 reported as a Live Voice or Other. Received on August 4, 2023 at 9:56 AM.

Anonymous User from Annapolis, Maryland

July 25, 2023 at 5:36 PM

240-421-0354 reported as a unwanted call. Received on July 25, 2023 at 3:44 PM.
Call for Dropped call or no message

Anonymous User from Iron Mountain, Michigan

March 31, 2023 at 4:08 PM

2404213 reported as a Live Voice or Other. Received on March 31, 2023 at 2:40 PM.
Call for Dropped call or no message

Anonymous User from Collierville, Tennessee

February 7, 2023 at 1:06 PM

240-421-7360 reported as a Robocall. Received on February 7, 2023 at 11:35 AM.
Call for Energy, solar, & utilities

Anonymous User from , MD

August 19, 2022 at 1:57 PM

240-421-9068 reported as a Robocall. Received on August 19, 2022 at 1:18 PM.

Most 'popular' numbers on this prefix:

240-421-0XXX: 240-421-0000 | 240-421-0001 | 240-421-0003 | 240-421-0011 | 240-421-0015 | 240-421-0020 | 240-421-0226 | 240-421-0228 | 240-421-0229 | 240-421-0238 | 240-421-0247 | 240-421-0248 | 240-421-0300 | 240-421-0303 | 240-421-0307 | 240-421-0350 | 240-421-0351 | 240-421-0353 |
240-421-1XXX: 240-421-1508 | 240-421-1547 | 240-421-1583 | 240-421-1700 | 240-421-1740 | 240-421-1745 | 240-421-1747 | 240-421-1777 | 240-421-1799 | 240-421-1970 | 240-421-1977 | 240-421-1978 | 240-421-1993 | 240-421-1997 | 240-421-1998 |
240-421-2XXX: 240-421-2140 | 240-421-2145 | 240-421-2149 | 240-421-2169 | 240-421-2188 | 240-421-2198 | 240-421-2800 | 240-421-2808 | 240-421-2890 | 240-421-2891 | 240-421-2899 |
240-421-3XXX: 240-421-3100 | 240-421-3160 | 240-421-3166 | 240-421-3168 | 240-421-3196 | 240-421-3197 | 240-421-3500 | 240-421-3510 | 240-421-3511 | 240-421-3515 | 240-421-3550 | 240-421-3972 | 240-421-3976 | 240-421-3977 | 240-421-3984 | 240-421-3987 | 240-421-3989 |
240-421-4XXX: 240-421-4600 | 240-421-4607 | 240-421-4609 | 240-421-4800 | 240-421-4820 | 240-421-4821 | 240-421-4822 | 240-421-4887 | 240-421-4888 |
240-421-6XXX: 240-421-6300 | 240-421-6303 | 240-421-6308 | 240-421-6330 | 240-421-6333 | 240-421-6336 | 240-421-6400 | 240-421-6404 | 240-421-6408 | 240-421-6490 | 240-421-6495 | 240-421-6499 | 240-421-6600 | 240-421-6650 | 240-421-6655 | 240-421-6656 | 240-421-6660 | 240-421-6800 | 240-421-6801 | 240-421-6808 | 240-421-6860 | 240-421-6865 | 240-421-6869 |
240-421-7XXX: 240-421-7100 | 240-421-7150 | 240-421-7156 | 240-421-7157 | 240-421-7197 | 240-421-7300 | 240-421-7303 | 240-421-7308 | 240-421-7360 | 240-421-7363 | 240-421-7365 | 240-421-7400 | 240-421-7404 | 240-421-7407 | 240-421-7410 | 240-421-7411 | 240-421-7412 | 240-421-7600 | 240-421-7630 | 240-421-7633 | 240-421-7635 | 240-421-7657 | 240-421-7658 |
240-421-8XXX: 240-421-8000 | 240-421-8009 | 240-421-8080 | 240-421-8090 | 240-421-8096 | 240-421-8099 |
240-421-9XXX: 240-421-9000 | 240-421-9060 | 240-421-9062 | 240-421-9067 | 240-421-9090 | 240-421-9400 | 240-421-9408 | 240-421-9440 | 240-421-9460 | 240-421-9465 | 240-421-9467 | 240-421-9800 | 240-421-9807 | 240-421-9808 | 240-421-9820 | 240-421-9821 | 240-421-9823 |