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301-666

You are reviewing the Area Code (NPA/NXX) report for 301-666. Did you mean to search the SMS short code 301666?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number301666
Basic Format301-666
NPA (Area Code)301
NXX666

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
301-666-0XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z14AS05/23/2018WASHINGTON 236 ZONE 14MDMA06/16/2018
301-666-1XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z14AS10/11/2018WASHINGTON 236 ZONE 14MDMA10/23/2018
301-666-2XXX876DONVOY, LLC - MDWSNG236Z14AS11/14/2017WASHINGTON 236 ZONE 14MDMA12/14/2017
301-666-3XXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCWSNG236Z14RTWASHINGTON 236 ZONE 14MDMA
301-666-4XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z14AS10/11/2018WASHINGTON 236 ZONE 14MDMA10/23/2018
301-666-5XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z14AS05/23/2018WASHINGTON 236 ZONE 14MDMA06/16/2018
301-666-6XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z14AS08/02/2012WASHINGTON 236 ZONE 14MDMA08/26/2012
301-666-7XXX508JCENTURYLINK COMMUNICATIONS, LLCWSNG236Z14AS03/05/2014WASHINGTON 236 ZONE 14MDMA04/02/2014
301-666-8XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z14AS05/23/2018WASHINGTON 236 ZONE 14MDMA06/16/2018
301-666-9XXX2593CORE COMMUNICATIONS, INC.- MDWSNG236Z14AS10/11/2018WASHINGTON 236 ZONE 14MDMA10/23/2018
301-666-XXXX7529TELEPORT COMMUNICATIONS AMERICA, LLC - DCWSNG236Z14ASWASHINGTON 236 ZONE 14MD

Business/Government Phones on the 301-666 Prefix

PhoneNameAddress
301-666-0001Colala Grind Express801 West Baltimore Street Baltimore 21201-1181 US
301-666-1180Giant10501 Greenbelt Road Lanham-Seabrook 20706 US
301-666-3255Petco15475 Annapolis Road Bowie 20715 US
301-666-3313Dollar Tree15461 Excelsior Drive Bowie 20716-2208 US

Reports

Anonymous User from Accokeek, Maryland

April 3, 2026 at 8:18 PM

301-666-3487 reported as a Robocall. Received on April 3, 2026 at 7:44 PM.
Call for Home improvement & cleaning

Anonymous User from , MD

March 16, 2026 at 5:40 PM

301-666-3487 reported as a Robocall. Received on March 16, 2026 at 5:26 PM.
Call for Home improvement & cleaning

Anonymous User from , MD

March 11, 2026 at 11:10 AM

301-666-3487 reported as a Robocall. Received on March 11, 2026 at 11:05 AM.

Anonymous User from Oakland, MD

September 4, 2025 at 11:49 PM

301-666-6483 reported as a Prerecorded Voice. Received on 2025-09-04 7:4 pm.
Unwanted call for Home Improvement Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Beltsville, Maryland

July 24, 2025 at 8:36 PM

301-666-8721 reported as a Live Voice or Other. Received on July 14, 2025 at 2:34 PM.
Call for Dropped call or no message

Anonymous User from Callaway, Maryland

July 21, 2025 at 10:24 AM

301-666-1310 reported as a Live Voice or Other. Received on July 21, 2025 at 9:48 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from College Park, Maryland

June 23, 2025 at 1:28 PM

301-666-5159 reported as a Robocall. Received on June 23, 2025 at 1:19 PM.
Call for Home security & alarms

Anonymous User from Centreville, Virginia

June 11, 2025 at 11:06 AM

301-666-2307 reported as a Live Voice or Other. Received on June 11, 2025 at 11:04 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Smithsburg, Maryland

May 26, 2025 at 2:36 PM

301-666-1841 reported as a Live Voice or Other. Received on May 26, 2025 at 2:35 PM.
Call for Home improvement & cleaning

Anonymous User from Silver Spring, Maryland

April 10, 2025 at 2:12 PM

301-666-7026 reported as a Live Voice or Other. Received on April 10, 2025 at 12:00 PM.

Anonymous User from Silver Spring, Maryland

April 2, 2025 at 1:53 PM

301-666-2645 reported as a Robocall. Received on March 28, 2025 at 11:57 AM.
Call for Dropped call or no message

Anonymous User from College Park, Maryland

March 27, 2025 at 2:06 PM

301-666-9392 reported as a Robocall. Received on March 27, 2025 at 12:36 PM.

Anonymous User from Smithsburg, Maryland

March 18, 2025 at 8:52 AM

301-666-1534 reported as a Robocall. Received on March 18, 2025 at 8:51 AM.
Call for Medical & prescriptions

Anonymous User from District Heights, Maryland

March 12, 2025 at 4:55 PM

301-666-8189 reported as a Live Voice or Other. Received on March 12, 2025 at 4:45 PM.

Anonymous User from Smithsburg, Maryland

February 17, 2025 at 9:05 AM

301-666-2753 reported as a Robocall. Received on February 17, 2025 at 9:03 AM.
Call for Home security & alarms

Anonymous User from , MD

February 15, 2025 at 8:20 AM

301-666-2622 reported as a Robocall. Received on February 14, 2025 at 4:55 PM.
Call for Dropped call or no message

Anonymous User from , MD

January 21, 2025 at 2:59 PM

301-666-9586 reported as a Robocall. Received on January 20, 2025 at 3:25 PM.

Anonymous User from Calverton, Maryland

December 8, 2024 at 12:47 AM

301-666-0495 reported as a Live Voice or Other. Received on December 4, 2024 at 4:43 PM.

Anonymous User from Calverton, Maryland

December 8, 2024 at 12:43 AM

301-666-6752 reported as a Live Voice or Other. Received on December 3, 2024 at 3:30 PM.

Anonymous User from Silver Spring, Maryland

December 5, 2024 at 1:54 PM

301-666-2596 reported as a Robocall. Received on December 5, 2024 at 1:22 PM.

Anonymous User from , MD

November 24, 2024 at 2:43 PM

301-666-2941 reported as a Robocall. Received on November 24, 2024 at 2:42 PM.
Call for Medical & prescriptions

Anonymous User from , MD

November 23, 2024 at 11:24 AM

301-666-7095 reported as a Live Voice or Other. Received on November 23, 2024 at 10:16 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MD

November 20, 2024 at 2:01 AM

301-666-2816 reported as a Live Voice or Other. Received on November 19, 2024 at 12:00 AM.
Call for No Subject Provided

Anonymous User from , MD

November 19, 2024 at 4:48 PM

301-666-2816 reported as a Live Voice or Other. Received on November 19, 2024 at 2:49 PM.
Call for No Subject Provided

Anonymous User from Baltimore, Maryland

November 14, 2024 at 9:23 AM

301-666-9453 reported as a Robocall. Received on November 14, 2024 at 9:20 AM.
Call for Medical & prescriptions

Anonymous User from Damascus, Maryland

September 20, 2024 at 11:56 AM

301-666-3487 reported as a Robocall. Received on September 20, 2024 at 11:47 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Baktimore, MD

September 10, 2024 at 8:57 PM

301-666-5425 reported as a Prerecorded Voice. Received on September 10, 2024 at 12:00 AM.
Unwanted call for Medicare Medicaid Services
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Baltimore, Maryland

May 28, 2024 at 5:06 PM

301-666-2629 reported as a Robocall. Received on May 24, 2024 at 10:00 AM.

Anonymous User from Rockville, Maryland

April 19, 2024 at 6:23 PM

301-666-2346 reported as a Robocall. Received on April 16, 2024 at 12:48 PM.

Anonymous User from , MD

April 2, 2024 at 10:45 AM

301-666-9525 reported as a Live Voice or Other. Received on April 2, 2024 at 7:43 AM.
Call for Home improvement & cleaning

Anonymous User from , HI

February 14, 2024 at 3:58 PM

301-666-3267 reported as a Robocall. Received on February 13, 2024 at 12:00 PM.

Anonymous User from Waldorf, MD

January 23, 2024 at 7:03 PM

555-555-5555 reported as a Live Voice. Received on January 23, 2024 at 6:58 PM.
Unwanted call for unknown
Caller ID indicated they called from 301-666-2303
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , MD

January 23, 2024 at 2:00 PM

301-666-2303 reported as a Robocall. Received on January 22, 2024 at 6:58 PM.

Anonymous User from , MD

December 21, 2023 at 11:24 AM

301-666-5450 reported as a Robocall. Received on December 14, 2023 at 10:19 AM.

Anonymous User from Bethesda, Maryland

November 21, 2023 at 4:51 PM

301-666-2303 reported as a Robocall. Received on November 1, 2023 at 5:04 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Hyattsville, Maryland

November 18, 2023 at 10:23 AM

301-666-2950 reported as a Robocall. Received on November 17, 2023 at 11:12 AM.

Anonymous User from Hyattsville, Maryland

November 16, 2023 at 10:06 PM

301-666-2950 reported as a Robocall. Received on November 16, 2023 at 2:55 PM.

Anonymous User from , DC

September 25, 2023 at 9:15 PM

301-666-2816 reported as a Live Voice or Other. Received on March 15, 2023 at 4:38 PM.

Anonymous User from , DC

September 25, 2023 at 9:14 PM

301-666-2816 reported as a Live Voice or Other. Received on March 15, 2023 at 2:58 PM.

Anonymous User from Mitchellville, Maryland

September 8, 2023 at 5:40 PM

301-666-6243 reported as a Live Voice or Other. Received on September 8, 2023 at 5:38 PM.
Call for Medical & prescriptions

Anonymous User from , CA

July 25, 2023 at 12:17 PM

301-666-2326 reported as a Robocall. Received on July 25, 2023 at 9:13 AM.

Anonymous User from Coolidge, AZ

July 24, 2023 at 1:43 PM

301-666-2180 reported as a Prerecorded Voice. Received on July 24, 2023 at 6:36 AM.
Unwanted call for unknown
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Gaithersburg, Maryland

July 14, 2023 at 4:53 PM

301-666-2312 reported as a Live Voice or Other. Received on July 14, 2023 at 10:10 AM.

Anonymous User from Rockville, Maryland

July 5, 2023 at 1:10 PM

301-666-2309 reported as a Live Voice or Other. Received on July 3, 2023 at 4:37 PM.
Call for Dropped call or no message

Anonymous User from Roaring River, North Carolina

June 21, 2023 at 1:01 PM

301-666-2805 reported as a Robocall. Received on June 21, 2023 at 10:58 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , MD

June 14, 2023 at 2:35 PM

301-666-5082 reported as a Robocall. Received on June 14, 2023 at 11:34 AM.
Call for Home security & alarms

Anonymous User from Calverton, Maryland

April 20, 2023 at 12:13 PM

301-666-7711 reported as a Live Voice or Other. Received on April 6, 2023 at 5:29 PM.
Call for Dropped call or no message

Anonymous User from Weaverville, North Carolina

April 10, 2023 at 6:57 PM

301-666-9774 reported as a Live Voice or Other. Received on April 10, 2023 at 4:36 PM.
Call for Dropped call or no message

Anonymous User from , MD

March 8, 2023 at 4:30 PM

301-666-1140 reported as a Robocall. Received on March 8, 2023 at 3:40 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from , DC

February 6, 2023 at 6:44 PM

301-666-2816 reported as a Robocall. Received on February 1, 2023 at 12:08 PM.

Anonymous User from Hyattsville, Maryland

January 20, 2023 at 10:31 AM

301-666-2950 reported as a Robocall. Received on January 20, 2023 at 10:29 AM.

Anonymous User from Hyattsville, Maryland

January 18, 2023 at 11:15 AM

301-666-2950 reported as a Robocall. Received on January 18, 2023 at 10:57 AM.

Anonymous User from Fairfax, Virginia

January 17, 2023 at 11:21 AM

301-666-3185 reported as a Robocall. Received on January 17, 2023 at 10:27 AM.

Anonymous User from Hyattsville, Maryland

January 11, 2023 at 10:38 AM

301-666-2950 reported as a Robocall. Received on January 11, 2023 at 10:19 AM.

Anonymous User from Gaithersburg, Maryland

January 9, 2023 at 12:40 PM

301-666-2781 reported as a unwanted call. Received on January 6, 2023 at 11:57 AM.

Anonymous User from Boyds, MD

December 1, 2022 at 8:02 PM

None reported as a Live Voice. Received on December 1, 2022 at 2:45 PM.
Unwanted call for unknown
Caller ID indicated they called from 301-666-2816
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from Hyattsville, Maryland

November 15, 2022 at 10:38 AM

301-666-2950 reported as a Robocall. Received on November 15, 2022 at 10:36 AM.

Anonymous User from Hyattsville, Maryland

November 12, 2022 at 9:12 AM

301-666-2950 reported as a Robocall. Received on November 10, 2022 at 12:12 PM.

Anonymous User from Hyattsville, Maryland

November 8, 2022 at 1:59 PM

301-666-2950 reported as a Robocall. Received on November 7, 2022 at 12:49 PM.
Call for Medical & prescriptions

Anonymous User from Hughesville, Maryland

October 25, 2022 at 12:33 PM

301-666-6278 reported as a Robocall. Received on October 24, 2022 at 11:29 AM.

Anonymous User from Hughesville, Maryland

October 25, 2022 at 12:33 PM

301-666-6278 reported as a Robocall. Received on October 24, 2022 at 11:29 AM.

Anonymous User from Hughesville, Maryland

October 25, 2022 at 12:33 PM

301-666-6278 reported as a Robocall. Received on October 24, 2022 at 11:29 AM.

Anonymous User from Mitchellville, Maryland

September 23, 2022 at 12:18 PM

301-666-8991 reported as a Live Voice or Other. Received on September 23, 2022 at 9:44 AM.
Call for Energy, solar, & utilities

Anonymous User from Hagerstown, Maryland

August 25, 2022 at 12:53 PM

301-666-5399 reported as a Live Voice or Other. Received on August 25, 2022 at 10:11 AM.
Call for Warranties & protection plans

Anonymous User from Hyattsville, Maryland

July 20, 2022 at 8:20 AM

301-666-2950 reported as a Robocall. Received on July 19, 2022 at 3:37 PM.
Call for Medical & prescriptions

Anonymous User from Hyattsville, Maryland

July 14, 2022 at 10:56 PM

301-666-2950 reported as a Robocall. Received on July 13, 2022 at 4:54 PM.

Anonymous User from Hyattsville, Maryland

July 8, 2022 at 9:28 AM

301-666-2958 reported as a Robocall. Received on July 7, 2022 at 1:50 PM.
Call for Medical & prescriptions

Anonymous User from Arlington, Virginia

June 7, 2022 at 3:38 PM

30166622176 reported as a Live Voice or Other. Received on June 7, 2022 at 12:09 PM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Huntsville, Alabama

June 4, 2022 at 11:35 AM

301-666-2497 reported as a Live Voice or Other. Received on June 2, 2022 at 7:06 PM.
Call for Medical & prescriptions

Anonymous User from Huntsville, Alabama

June 4, 2022 at 11:33 AM

301-666-2497 reported as a unwanted call. Received on June 2, 2022 at 6:22 PM.
Call for No Subject Provided

Anonymous User from Adelphi, MD

November 13, 2020 at 3:50 PM

None reported as a Prerecorded Voice. Received on November 13, 2020 at 10:35 AM.
Unwanted call for unknown
Caller ID indicated they called from 301-666-2696
Contacted via Wired

Anonymous User from Chanhassen, MN

October 21, 2020 at 8:42 PM

301-666-2373 reported as a Live Voice. Received on October 21, 2020 at 1:00 PM.
Unwanted call for unknown
Contacted via Wired

Anonymous User from , MD

January 4, 2017 at 7:53 PM

None reported as a Abandoned Calls. Received on January 4, 2017 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 301-666-6718
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , MD

December 9, 2016 at 2:32 PM

None reported as a Abandoned Calls. Received on December 9, 2016 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 301-666-6696
Contacted via Wired

Anonymous User from , MD

December 8, 2016 at 10:07 PM

None reported as a Prerecorded Voice. Received on December 8, 2016 at 12:00 AM.
Unwanted call for unknown
Caller ID indicated they called from 301-666-6927
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , MD

October 4, 2016 at 2:31 PM

reported as a Autodialed Live Voice Call. Received on October 5, 2016 at 10:20 AM.
Robocall for unknown
Caller ID indicated they called from 301-666-6698
Contacted via Wired

Anonymous User from , MD

September 29, 2016 at 3:43 PM

reported as a Abandoned Calls. Received on September 29, 2016 at 11:38 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 301-666-6531
Contacted via Wired

Anonymous User from , MD

September 16, 2016 at 10:36 PM

reported as a Prerecorded Voice. Received on August 2, 2016 at 5:35 PM.
Robocall for unknown
Caller ID indicated they called from 301-666-6991
Contacted via Wired

Anonymous User from , MD

September 16, 2016 at 9:54 PM

reported as a Abandoned Calls. Received on August 2, 2016 at 7:45 PM.
Robocall for unknown
Caller ID indicated they called from 301-666-6991
Contacted via Wired

Anonymous User from , MD

September 16, 2016 at 9:53 PM

reported as a Abandoned Calls. Received on August 2, 2016 at 7:45 PM.
Robocall for unknown
Caller ID indicated they called from 301-666-6991
Contacted via Wired

Anonymous User from , MD

September 16, 2016 at 9:50 PM

reported as a Abandoned Calls. Received on August 2, 2016 at 12:00 AM.
Robocall for unknown
Caller ID indicated they called from 301-666-6989
Contacted via Wired

Anonymous User from , MD

September 16, 2016 at 9:48 PM

reported as a Abandoned Calls. Received on August 2, 2016 at 7:51 PM.
Robocall for unknown
Caller ID indicated they called from 301-666-6989
Contacted via Wired

Anonymous User from , MD

September 16, 2016 at 9:45 PM

reported as a Abandoned Calls. Received on August 2, 2016 at 7:00 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 301-666-6989
Contacted via Wired

Anonymous User from , MD

July 5, 2016 at 7:53 PM

reported as a Abandoned Calls. Received on July 5, 2016 at 12:00 AM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 301-666-6696
Contacted via Wired

Anonymous User from , MD

April 9, 2016 at 2:12 PM

reported as a Abandoned Calls. Received on April 7, 2016 at 5:11 PM.
Robocall for unknown
Caller ID indicated they called from 301-666-6531
Contacted via Wired

Anonymous User from , MD

January 5, 2016 at 10:47 PM

reported as a Prerecorded Voice. Received on January 5, 2016 at 4:40 PM.
Robocall for unknown
Caller ID indicated they called from 301-666-6531
Contacted via Wired

Anonymous User from , MD

November 11, 2015 at 7:53 PM

reported as a Abandoned Calls. Received on November 10, 2015 at 8:41 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 301-666-6531
Contacted via Internet (VOIP)

Anonymous User from , MD

September 26, 2015 at 1:40 AM

reported as a Live Voice. Received on August 1, 2015 at 8:30 PM.
Telemarketing (including do not call and spoofing) for unknown
Caller ID indicated they called from 301-666-6531
Contacted via Wired

Anonymous User from Baltimore, Maryland

November 30, -0001 at 12:00 AM

301-666-9453 reported as a Robocall. Received on November 30, -0001 at 12:00 AM.
Call for Medical & prescriptions

Most 'popular' numbers on this prefix:

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301-666-8XXX: 301-666-8993 | 301-666-8997 | 301-666-8998 |
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