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240-550

You are reviewing the Area Code (NPA/NXX) report for 240-550. Did you mean to search the SMS short code 240550?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number240550
Basic Format240-550
NPA (Area Code)240
NXX550

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
240-550-0XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-1XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-2XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-3XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-4XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-5XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-6XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-7XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-8XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-9XXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/27/2009WASHINGTON ZONE 10MDMA05/17/2009
240-550-XXXX4036NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10AS03/26/2009WASHINGTON ZONE 10MD

Reports

Anonymous User from Martinsburg, West Virginia

April 22, 2026 at 8:03 AM

240-550-5651 reported as a Robocall. Received on April 17, 2026 at 12:00 AM.

Anonymous User from Rockville, Maryland

June 13, 2023 at 10:34 AM

240-550-1354 reported as a Live Voice or Other. Received on June 13, 2023 at 9:50 AM.

Anonymous User from New Windsor, Maryland

August 5, 2022 at 3:51 PM

240-550-2377 reported as a Live Voice or Other. Received on August 5, 2022 at 3:47 PM.

Anonymous User from , MD

May 27, 2022 at 10:35 AM

240-550-2465 reported as a Robocall. Received on May 27, 2022 at 10:35 AM.

Most 'popular' numbers on this prefix:

240-550-0XXX: 240-550-0158 | 240-550-0176 | 240-550-0178 | 240-550-0186 | 240-550-0187 | 240-550-0188 | 240-550-0303 | 240-550-0309 | 240-550-0337 | 240-550-0360 | 240-550-0362 | 240-550-0365 | 240-550-0600 | 240-550-0602 | 240-550-0606 | 240-550-0607 |
240-550-1XXX: 240-550-1000 | 240-550-1001 | 240-550-1008 | 240-550-1040 | 240-550-1045 | 240-550-1047 | 240-550-1300 | 240-550-1308 | 240-550-1333 | 240-550-1350 | 240-550-1354 | 240-550-1355 |
240-550-2XXX: 240-550-2300 | 240-550-2345 | 240-550-2352 | 240-550-2370 | 240-550-2371 | 240-550-2377 | 240-550-2400 | 240-550-2425 | 240-550-2450 | 240-550-2460 | 240-550-2462 | 240-550-2469 |
240-550-3XXX: 240-550-3100 | 240-550-3104 | 240-550-3106 | 240-550-3156 | 240-550-3196 | 240-550-3198 | 240-550-3300 | 240-550-3330 | 240-550-3333 | 240-550-3337 | 240-550-3345 | 240-550-3400 | 240-550-3410 | 240-550-3411 | 240-550-3415 |
240-550-4XXX: 240-550-4600 | 240-550-4680 | 240-550-4683 | 240-550-4688 | 240-550-4970 | 240-550-4976 | 240-550-4977 | 240-550-4996 | 240-550-4997 | 240-550-4998 |
240-550-5XXX: 240-550-5360 | 240-550-5365 | 240-550-5366 |
240-550-8XXX: 240-550-8600 | 240-550-8601 | 240-550-8606 | 240-550-8696 | 240-550-8697 |
240-550-9XXX: 240-550-9390 | 240-550-9393 | 240-550-9399 |